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[ CAS No. 5700-60-7 ] {[proInfo.proName]}

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Chemical Structure| 5700-60-7
Chemical Structure| 5700-60-7
Structure of 5700-60-7 * Storage: {[proInfo.prStorage]}
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Product Details of [ 5700-60-7 ]

CAS No. :5700-60-7 MDL No. :MFCD00709169
Formula : C14H16N2 Boiling Point : -
Linear Structure Formula :- InChI Key :PONXTPCRRASWKW-UHFFFAOYSA-N
M.W : 212.29 Pubchem ID :110695
Synonyms :

Safety of [ 5700-60-7 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P261-P305+P351+P338 UN#:N/A
Hazard Statements:H302-H315-H319-H335 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 5700-60-7 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 5700-60-7 ]

[ 5700-60-7 ] Synthesis Path-Downstream   1~55

  • 1
  • [ 5700-60-7 ]
  • N-((1R,6aR,9aS,9bR)-1-Hydroxy-2-oxo-2,4,5,6,6a,9,9a,9b-octahydro-1H-phenalen-1-yl)-isobutyramide [ No CAS ]
  • (3aS,11bR,11cS)-9,10-Diphenyl-3a,4,5,6,11b,11c-hexahydro-1H-8,11-diaza-benzo[de]anthracene [ No CAS ]
YieldReaction ConditionsOperation in experiment
73% With pyridinium p-toluenesulfonate In toluene at 90℃;
  • 2
  • [ 5700-60-7 ]
  • N-((1R,6aR,9aS,9bR)-1-Hydroxy-2-oxo-2,4,5,6,6a,9,9a,9b-octahydro-1H-phenalen-1-yl)-isobutyramide [ No CAS ]
  • (3aS,11bR,11cS)-9,10-Diphenyl-3a,4,5,6,9,10,11b,11c-octahydro-1H-8,11-diaza-benzo[de]anthracene [ No CAS ]
YieldReaction ConditionsOperation in experiment
73% With pyridinium p-toluenesulfonate In toluene at 90℃; for 12h;
  • 3
  • [ 84199-98-4 ]
  • [ 5700-60-7 ]
  • 3-[(cis-4,5-diphenyl-4,5-dihydro1H-imidazol-2-yl)-2-ethyl]pyridine [ No CAS ]
YieldReaction ConditionsOperation in experiment
With trimethylaluminum In toluene at 65℃; for 6h; 137.3 To a solution of the diamine 1 (159 mg 0.75 mmol) in toluene (5 mL) is added 2.0M trimethylaluminum in toluene (0.95 mL, 1.9 mmol), followed by 301 (124 mg, 0.75 mmol), and the solution is heated at 65° C. for 6 h. The reaction is cooled to RT and quenched by the addition of sat. sodium bicarbonate solution, followed by the addition of water and EtOAc. The organic layer is separated, and washed with brine, dried (MgSO4), and filtered. The filtrate is evaporated, and the residue is purified by chromatography on silica gel; elution with dichloromethane:7M ammonia in MeOH (95:5) gives 104 mg of the product 302. 1H NMR (CDCl3) δ 8.62 (s, 1H), 8.52 (d, 1H), 7.67 (d, 1H), 7.28 (m, 1H), 7.05-7.00 (m, 6H), 6.8-6.7 (m, 4H), 5.27 (bs, 2H), 3.19 (t, 2H), 2.82 (t, 2H); MS: m/z 328 (M++1).
  • 4
  • [ 28819-26-3 ]
  • [ 5700-60-7 ]
  • 2-[(cis-4,5-diphenyl-4,5-dihydro1H-imidazol-2-yl)-2-ethyl]pyridine [ No CAS ]
YieldReaction ConditionsOperation in experiment
With trimethylaluminum In toluene at 70℃; for 6h; 136.3 To a solution of 298 (165 mg, 1.0 mmol) in toluene (8 mL) is added the diamine 1 (212 mg 1.0 mmol) followed by 2.0M trimethylaluminum in toluene (1.2 mL, 1.2 mmol), and the solution is heated at 70° C. for 6 h. The reaction is cooled to RT and quenched by the addition of sat. sodium bicarbonate solution, followed by the addition of water and EtOAc. The organic layer is separated, and washed with brine, dried (MgSO4), and filtered. The filtrate is evaporated, and the residue is purified by chromatography on silica gel; elution with dichloromethane:MeOH (9:1) gives 99 mg of the product 299. 1H NMR (CDCl3) δ 8.56 (d, 1H), 7.65 (t, 1H), 7.32 (d, 1H), 7.17 (m, 1H), 7.0-6.9 (m, 6H), 6.82-6.80 (m, 4H), 5.4-5.1 (bs, 2H), 3.34 (t, 2H), 3.00 (t, 2H); MS: m/z 328 (M++1).
  • 5
  • [ 75-15-0 ]
  • [ 5700-60-7 ]
  • cis-4,5-diphenylimidazolidine-2-thione [ No CAS ]
YieldReaction ConditionsOperation in experiment
In ethanol at 95℃; 14 Preparation 14; cis-4,5-Diphenyliniidazolidine-2-thione (25) A mixture of cis-1,2-diphenylethane-1,2-diamine (1) (50 g, 0.26 mol) and carbon disulfide (24 mL, 0.40 mol) in abs. EtOH (600 mL) is heated at 95° C. overnight. The reaction mixture is cooled to rt, concentrated in vacuo, and the residue suspended in cold 95% EtOH, and the insoluble material is filtered, to give 58.16 g of the product 25. 1H NMR (DMSO-d6) δ 8.73 (s, 2H), 7.10-6.95 (m, 6H), 6.95-6.85 (m, 2H), 5.31 (s, 2H); MS: m/z 255 (M++1).
  • 6
  • [ 3598-14-9 ]
  • [ 5700-60-7 ]
  • 2-[(phenoxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole [ No CAS ]
YieldReaction ConditionsOperation in experiment
With trimethylaluminum; In toluene; at 60℃; for 2h; To a solution of the diamine 1 (212 mg, 1.0 mmol) in toluene (6 mL) is added 2.0M trimethylaluminum in toluene (1.0 mL, 2.0 mmol) followed by a solution of <strong>[3598-14-9]phenoxyacetonitrile</strong> (133 mg, 1.0 mmol) in toluene (1 mL). The solution is heated at 60 C. for 2 h, then cooled to RT. The reaction mixture is quenched with sat. sodium bicarbonate solution (2 mL) and EtOAc is added, and the solution filtered. The filtrate is evaporated, and the residue purified by chromatography on silica gel; elution with dichloromethane:MeOH (9:1) gives 119 mg of the product 383. 1H NMR (CDCl3) delta 7.37 (t, 2H), 7.1-6.9 (m, 9H), 6.88 (bs, 4H), 5.4 (bd, 2H), 5.01 (bs, 2H); MS: m/z 329 (M++1).
  • 7
  • [ 5700-60-7 ]
  • [ 137988-23-9 ]
  • 2-[(2-fluorophenoxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole [ No CAS ]
YieldReaction ConditionsOperation in experiment
With trimethylaluminum In toluene at 60℃; for 2h; 143.2 To a solution of the diamine 1 (212 mg, 1.0 mmol) in toluene (6 mL) is added 2.0M trimethylaluminum in toluene (1.0 mL, 2.0 mmol) followed by a solution of 384 (151 mg, 1.0 mmol) in toluene (1 mL). The solution is heated at 60° C. for 2 h, then cooled to RT. The reaction mixture is quenched with sat. sodium bicarbonate solution (2 mL) and EtOAc is added, and the solution filtered. The filtrate is evaporated, and the residue purified by chromatography on silica gel; elution with dichloroinethane:MeOH (9:1) gives 59 mg of the product 385. 1H NMR (CDCl3) δ 7.40-7.25 (m, 1H), 7.24-7.11 (m, 3H), 7.00 (m, 6H), 6.88 (m, 4H), 5.37 (bs, 2H), 5.06 (bs, 2H); MS: m/z 347 (M++1).
  • 8
  • [ 80056-43-5 ]
  • [ 5700-60-7 ]
  • 1-[(cis-4,5-diphenyl-4,5-dihydro-1H-imidazol-2-yl)methyl]-1H-pyridin-2-one [ No CAS ]
YieldReaction ConditionsOperation in experiment
With trimethylaluminum In toluene at 70℃; for 6h; 162.2 To a solution of the diamine 1 (106 mg, 0.5 mmol) in toluene (4 mL) is added 2.0M trimethylaluminum in toluene (0.6 mL, 1.2 mmol) followed by a solution of 425 (90 mg, 0.5 mmol) in toluene (1 mL). The solution is heated at 70° C. for 6 h, then cooled to RT. The reaction mixture is quenched with sat. sodium bicarbonate solution (1 mL) and EtOAc is added, and the mixture is filtered. The filtrate is evaporated, and the residue purified by chromatography on silica gel; elution with dichloromethane:MeOH (95:5) gives 23 mg of the product 426. 1H NMR (DMSO-d6) δ 10.97 (s, 2H), 7.84 (dd, 1H) 7.58 (dt, 1H), 7.15-7.0 (m, 10H), 6.60 (d, 1H), 6.39 (t, 1H), 5.79 (s, 2H), 5.25 (s, 2H); MS: m/z 330 (M++1).
  • 9
  • [ 32122-09-1 ]
  • [ 5700-60-7 ]
  • 2-[(benzyloxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole [ No CAS ]
YieldReaction ConditionsOperation in experiment
With trimethylaluminum; In toluene; at 60℃; for 6h; To a solution of the diamine 1 (106 mg, 0.5 mmol) in toluene (3 mL) is added 2.0M trimethylaluminum in toluene (0.6 mL, 1.2 mmol) followed by 390 (100 mg, 0.5 mmol), and the solution is heated at 60 C. for 6 h, then cooled to rt. The reaction mixture is quenched with sat. sodium bicarbonate solution (0.5 mL) and EtOAc is added, and the solution is dried (MgSO4), and filtered. The filtrate is evaporated, and the residue purified by chromatography on silica gel; elution with dichloromethane:MeOH (92:8) gives 49 mg of the product 391. 1H NMR (CDCl3) delta 7.4-7.26 (m, 5H), 7.01 (m, 6H), 6.92 (m, 4H), 5.31 (bs, 2H), 4.70 (s, 2H), 4.48 (s, 2H); MS: m/z 343 (M+).
  • 10
  • methyl 3-phenylpropanimidate hydrochloride [ No CAS ]
  • [ 5700-60-7 ]
  • 2-phenethyl-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole hydrochloride [ No CAS ]
YieldReaction ConditionsOperation in experiment
In ethanol at 80℃; 123 A mixture of cis-1,2-diphenylethane-1,2-diamine (1) (1.0 g, 4.7 mmol) and 3-phenyl-propionimidic acid methyl ester hydrochloride (242) (0.94 g, 4.7 mmol) in EtOH (10 mL) is heated at 80° C. overnight. The solvent is removed by rotary evaporation, and the residue dissolved in dichloromethane, and the solution washed with sodium carbonate, brine, then dried (MgSO4) and filtered. The filtrate is rotary evaporated to give 1.2 g of impure product 243.
  • 11
  • [ 836656-33-8 ]
  • [ 5700-60-7 ]
  • 2-[(3-fluorobenzyloxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole hydrochloride [ No CAS ]
YieldReaction ConditionsOperation in experiment
With trimethylaluminum In toluene at 60℃; for 6h; 147.2 To a solution of the diamine 1 (106 mg, 0.5 mmol) in toluene (3 mL) is added 2.0M trimethylaluminum in toluene (0.6 mL, 1.2 mmol) followed by 392 (106 mg, 0.53 mmol), and the solution is heated at 60° C. for 6 h, then cooled to rt. The reaction mixture is quenched with sat. sodium bicarbonate solution (0.2 mL) and EtOAc is added, and the solution filtered. The filtrate is evaporated, and the residue purified by chromatography on silica gel; elution with dichloromethane:MeOH (94:6) followed by treatment with hydrogen chloride in Et2O gives 17 mg of the product 393. 1H NMR (CDCl3) δ 10.3 (bs, 2H), 7.37 (m, 1H), 7.26-7.0 (m, 9H), 6.88 (m, 4H), 5.68 (s, 2H), 5.17 (s, 2H), 4.73 (s, 2H)
  • 12
  • [ 5700-60-7 ]
  • [ 192195-30-5 ]
  • 2-(cyclohexylmethoxymethyl)-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole [ No CAS ]
YieldReaction ConditionsOperation in experiment
With trimethylaluminum In toluene at 65℃; for 4h; 159.2 To a solution of the diamine 1 (276 mg, 1.3 mmol) in toluene (4 mL) is added 2.0M trimethylaluminum in toluene (1.62 mL, 3.24 mmol) followed by a solution of 419 (260 mg, 1.3 mmol) in toluene (1 mL). The solution is heated at 65° C. for 4 h, then cooled to RT. The reaction mixture is quenched with sat. sodium bicarbonate solution (3 mL) and EtOAc is added, and the mixture is filtered., dried (MgSO4), and filtered. The filtrate is evaporated, and the residue purified by chromatography on silica gel; elution with EtOAc:MeOH:heptane (65:5:30) gives 31 mg of the product 420. 1H NMR (DMSO-d6) δ 7.1 (bs, 1H), 7.0-6.9 (m, 10H), 5.22 (bs, 2H), 4.21 (s, 2H), 3.41-3.39 (d, 2H), 1.8-1.6 (m, 5H), 1.2-1.1 (m, 4H), 1.0-0.9 (m, 2H); LC/MS: 3.50 min, m/z 349 (M++1).
  • 13
  • [ 836656-35-0 ]
  • [ 5700-60-7 ]
  • 2-[(3-trifluoromethylbenzyloxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole hydrochloride [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: (3-trifluoromethylbenzyloxy)acetic acid ethyl ester; 1,2-Diphenylethylenediamine With trimethylaluminum In toluene at 60℃; for 6h; Stage #2: With hydrogenchloride In diethyl ether 148.2 To a solution of the diamine 1 (106 mg, 0.5 mmol) in toluene (3 mL) is added 2.0M trimethylaluminum in toluene (0.6 mL, 1.2 mmol) followed by 394 (131 mg, 0.53 mmol), and the solution is heated at 60° C. for 6 h, then cooled to rt. The reaction mixture is quenched with sat. sodium bicarbonate solution (0.2 mL) and EtOAc is added, and the solution filtered. The filtrate is evaporated, and the residue purified by chromatography on silica gel; elution with dichloromethane:MeOH (94:6) followed by treatment with hydrogen chloride in Et2O gives 14 mg of the product 395. 1H NMR (DMSO-d6) δ 10.90 (s, 2H), 7.85 (bs, 1H), 7.81-7.64 (m, 3H), 7.15-7.0 (m, 10H), 5.81 (s, 2H), 4.87 (s, 4H); MS: m/z 411 (M++1).
  • 14
  • [ 836656-38-3 ]
  • [ 5700-60-7 ]
  • 2-[(3-methylbenzyloxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole hydrochloride [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: (3-methylbenzyloxy)acetic acid ethyl ester; 1,2-Diphenylethylenediamine With trimethylaluminum In toluene at 60℃; for 6h; Stage #2: With hydrogenchloride In diethyl ether 149.2 To a solution of the diamine 1 (106 mg, 0.5 mmol) in toluene (3 mL) is added 2.0M trimethylaluminum in toluene (0.6 mL, 1.2 mmol) followed by 396 (194 mg, 0.53 mmol), and the solution is heated at 60° C. for 6 h, then cooled to rt. The reaction mixture is quenched with sat. sodium bicarbonate solution (0.2 mL) and EtOAc is added, and the solution filtered. The filtrate is evaporated, and the residue purified by chromatography on silica gel; elution with dichloromethane:MeOH (94:6) followed by treatment with hydrogen chloride in Et2O gives 40 mg of the product 397. 1H NMR (DMSO-d6) δ 10.91 (s, 2H), 7.34-6.99 (m, 14H), 5.79 (s, 2H), 4.79 (s, 2H). 4.72 (s, 2H), 2.34 (s, 3H); MS: m/z 357 (M++1).
  • 15
  • [ 5700-60-7 ]
  • [ 54212-41-8 ]
  • 2-[(3-methoxybenzyloxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole hydrochloride [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 1,2-Diphenylethylenediamine; (3-methoxybenzyloxy)acetic acid ethyl ester With trimethylaluminum In toluene at 60℃; for 6h; Stage #2: With hydrogenchloride In diethyl ether 150.2 To a solution of the diamine 1 (106 mg, 0.5 mmol) in toluene (3 mL) is added 2.0M trimethylaluminum in toluene (0.6 mL, 1.2 mmol) followed by 398 (210 mg, 0.53 mmol), and the solution is heated at 60° C. for 6 h, then cooled to rt. The reaction mixture is quenched with sat. sodium bicarbonate solution (0.2 mL) and EtOAc is added, and the solution filtered. The filtrate is evaporated, and the residue purified by chromatography on silica gel; elution with dichloromethane:MeOH (94:6) followed by treatment with hydrogen chloride in Et2O gives 34 mg of the product 399. 1H NMR (DMSO-d6) δ 10.87 (s, 2H), 7.34 (t, 1H), 7.13-6.96 (m, 12H), 6.92 (m, 1H), 5.79 (s, 2H), 4.79 (s, 2H), 4.74 (s, 2H), 3.78 (s, 3H); MS: m/z 373 (M++1).
  • 16
  • [ 5700-60-7 ]
  • [ 57941-73-8 ]
  • 2-[(2-phenethyloxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole [ No CAS ]
YieldReaction ConditionsOperation in experiment
With trimethylaluminum In toluene at 65℃; for 6h; 161.2 To a solution of the diamine 1 (318 mg, 1.5 mmol) in toluene (6 mL) is added 2.0M trimethylaluminum in toluene (2.25 mL, 4.5 mmol) followed by a solution of 423 (312 mg, 1.5 mmol) in toluene (2 mL). The solution is heated at 65° C. for 6 h, then cooled to RT. The reaction is quenched with sat. sodium bicarbonate solution (3 mL) and EtOAc: is added, and the mixture is filtered, and the filtrate is dried (MgSO4), and filtered. The filtrate is evaporated, and the residue purified by chromatography on silica gel; elution with EtOAC:MeOH:heptane (70:10:20) gives 84 mg of the product 424. 1H NMR (DMSO-d6) δ 7.27 (d, 4H), 7.2-7.1 (m, 1H), 7.0-6.9 (m, 11H), 5.19 (bs, 2H), 4.24 (s, 2H), 3.78 (t, 2H), 2.89 (t, 2H); LC/MS: 3.33 min, m/z 357 (M++1).
  • 17
  • [ CAS Unavailable ]
  • [ 817176-80-0 ]
  • [ 5700-60-7 ]
  • [ CAS Unavailable ]
YieldReaction ConditionsOperation in experiment
In N,N-dimethyl-formamide ligand was reacted with Ru-complex in DMF at 100°C, treated with DPEN at room temp.;
  • 18
  • [ 37366-09-9 ]
  • [ 528521-89-3 ]
  • [ 5700-60-7 ]
  • [(((S)-Xyl-SDP)Ru(R,R-1,2-diphenylethylenediamine)Cl2] [ No CAS ]
  • 19
  • [ 7605-25-6 ]
  • [ 5700-60-7 ]
  • [ 76-05-1 ]
  • 2-[(phenylsulfanyl)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole trifluoroacetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: ethyl phenylsulfenylacetate; 1,2-Diphenylethylenediamine With trimethylaluminum In toluene at 80℃; for 2.5h; Stage #2: trifluoroacetic acid In water; acetonitrile 151.2 To a solution of the diamine 1 (106 mg, 0.5 mmol) in toluene (1.5 mL) is added 2.0M trimethylaluminum in toluene (0.65 mL, 1.3 mmol) followed by 400 (98 mg, 0.50 mmol), and the solution is heated at 80° C. for 2.5 h, then cooled to rt. The reaction mixture is quenched with sat. sodium bicarbonate solution (0.6 mL) and EtOAc: dichloromethane is added, and the solution filtered. The filtrate is evaporated, and the residue purified by chromatography on reversed phase silica gel; elution with acetonitrile:water/0.1% TFA gives 96 mg of the product 401. 1H NMR (CDCl3) δ 10.8 (bs, 2H), 7.60 (m, 2H), 7.45-7.3 (m, 3H), 7.05-6.9 (m, 6H), 6.58 (m, 4H), 5.52 (s, 2H), 4.50 (s, 2H); LC/MS: 3.24 min, m/z 345 (M++1).
  • 20
  • [ 6436-90-4 ]
  • [ 5700-60-7 ]
  • [ 76-05-1 ]
  • [(cis-4,5-diphenyl-4,5-dihydro-1H-imidazol-2-yl)methyl]benzylamine ditrifluoroacetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: ethyl 2-(benzylamino)acetate; 1,2-Diphenylethylenediamine With trimethylaluminum In toluene at 90℃; for 6.5h; Stage #2: trifluoroacetic acid In water; acetonitrile 160.2 To a solution of the diamine 1 (637 mg, 3.0 mmol) in toluene (11 mL) is added 2.0M trimethylaluminum in toluene (3.9 mL, 7.8 mmol) followed by a solution of 421 (580 mg, 3.0 mmol) in toluene (2 mL). The solution is heated at 90° C. for 6.5 h, then cooled to RT. The reaction is quenched with sat. sodium bicarbonate solution (4 mL) and EtOAc: dichloromethane is added, and the mixture is filtered, and the filtrate is dried (MgSO4), and filtered. The filtrate is evaporated, and the residue purified by chromatography on reversed phase silica gel; gradient elution with acetonitrile/0.1% TFA:water/0.1% TFA (30:70-100:0) gives 166 mg of the product 422. 1H NMR (DMSO-d6) δ 10.61 (bs, 1H), 7.5-7.3 (m, 5H), 7.1-7.0 (m, 10H), 5.75 (s, 2H), 4.04 (s, 2H), 4.00 (s, 2H); LC/MS: 2.95 min, m/z 342 (M++1).
  • 21
  • [ 5700-60-7 ]
  • [ 135290-20-9 ]
  • [ 76-05-1 ]
  • 2-[(3-fluorophenoxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole trifluoroacetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 1,2-Diphenylethylenediamine; (3-Fluoro-phenoxy)-acetonitrile With trimethylaluminum In toluene at 60℃; for 2h; Stage #2: trifluoroacetic acid In water; acetonitrile 144.2 To a solution of the diamine 1 (212 mg, 1.0 mmol) in toluene (6 mL) is added 2.0M trimethylaluminum in toluene (1.0 mL, 2.0 mmol) followed by a solution 386 (151 mg, 1.0 mmol) in toluene (1 mL). The solution is heated at 60° C. for 2 h, then cooled to RT. The reaction mixture is quenched with sat. sodium bicarbonate solution (2 mL) and EtOAc is added, and the solution filtered. The filtrate is evaporated, and the residue purified by chromatography on reversed phase silica gel; gradient elution with acetonitrile:water/1% TFA (30:70-100:0) gives 63 mg of the product 387. 1H NMR (CDCl3) δ 7.31 (q, 1H), 7.7.1-7.0 (m, 6H), 7.9-7.7 (m, 7H), 5.59 (s, 2H), 5.42 (s, 2H); MS: m/z 347 (M++1).
  • 22
  • [ 6290-49-9 ]
  • [ 5700-60-7 ]
  • [ 76-05-1 ]
  • 2-[(methoxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole trifluoroacetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: methyl methoxyacetate; 1,2-Diphenylethylenediamine With trimethylaluminum In toluene at 90℃; for 3h; Stage #2: trifluoroacetic acid In water; acetonitrile 153 Example 153; 2-[(Methoxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole Trifluoroacetate (404) To a solution of the diamine 1 (159 mg, 0.75 mmol) in toluene (2.5 mL) is added 2.0M trimethylaluminum in toluene (0.980 mL, 1.96 mmol) followed by methoxyacetic acid methyl ester (0.74 mL, 0.75 mmol), and the solution is heated at 90° C. for 3 h, then cooled to rt. The reaction mixture is quenched with sat. sodium bicarbonate solution (1.5 mL) and EtOAc is added, and the mixture is dried (MgSO4), and filtered. The filtrate is evaporated, and the residue purified by chromatography on reversed phase silica gel; elution with acetonitrile/0.1% TFA:water/0.1% TFA gives 63 mg of the product 404. 1H NMR (DMSO-d6) δ 10.85 (s, 1H), 7.1-7.0 (m, 10H), 5.80 (s, 2H), 4.71 (s, 2H), 3.51 (s, 3H); LC/MS: 2.80 min, m/z 267 (M++1).
  • 23
  • [ 24115-20-6 ]
  • [ 5700-60-7 ]
  • [ 76-05-1 ]
  • 2-[(4-fluorophenoxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole trifluoroacetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 2-(4-fluorophenoxy)acetonitrile; 1,2-Diphenylethylenediamine With trimethylaluminum In toluene at 60℃; for 2h; Stage #2: trifluoroacetic acid In water; acetonitrile 145.2 To a solution of the diamine 1 (212 mg, 1.0 mmol) in toluene (6 mL) is added 2.0M trimethylaluminum in toluene (1.0 mL, 2.0 mmol) followed by a solution 388 (151 mg, 1.0 mmol) in toluene (1 mL). The solution is heated at 60° C. for 2 h, then cooled to RT. The reaction mixture is quenched with sat. sodium bicarbonate solution (2 mL) and EtOAc is added, and the solution filtered. The filtrate is evaporated, and the residue purified by chromatography on reversed phase silica gel; gradient elution with acetonitrile:water/1% TFA (30:70-100:0) gives 48 mg of the product 389. 1H NMR (CDCl3) δ 7.1-6.9 (m, 10H), 6.82 (m, 4H), 5.59 (bs, 2H), 5.42 (bs, 2H); MS: m/z 347 (M++1).
  • 24
  • [ 5700-60-7 ]
  • [ 156002-64-1 ]
  • [ 76-05-1 ]
  • 2-[(tetrahydropyran-4-yl)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole trifluoroacetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 1,2-Diphenylethylenediamine; methyl 2-(tetrahydro-2H-pyran-4-yl)acetate With trimethylaluminum In toluene at 65℃; for 12h; Stage #2: trifluoroacetic acid In water; acetonitrile 138.3 To a solution of the diamine 1 (584 mg 2.75 mmol) in toluene (15 mL) is added 2.0M trimethylaluminum in toluene (3.44 mL, 6.88 mmol), followed by 304 (473 mg, 3.0 mmol), and the solution is heated at 65° C. for 12 h. The reaction is cooled to 20° C. and quenched by the addition of sat. sodium bicarbonate solution, and filtered. The filtrate is evaporated, and the residue is purified by reverse phase HPLC; gradient elution with acetonitrile/0.1% TFA:water/0.1% TFA (25:75-100:0) gives 178 mg of the product 305. 1H NMR (DMSO-d6) δ 10.72 (s, 2H), 7.2-7.1 (m, 6H), 7.05-7.0 (m, 4H), 5.80 (s, 2H), 3.95-3.90 (m, 2H), 3.36 (t, 2H), 2.74 (d, 2H), 2.15 (m, 1H), 1.75-1.70 (m, 2H), 1.45-1.30 (m, 2H); MS: m/z 321 (M++1).
  • 25
  • [ 5700-60-7 ]
  • [ 2899-67-4 ]
  • [ 76-05-1 ]
  • 2-[(benzylsulfanyl)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole trifluoroacetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 1,2-Diphenylethylenediamine; ethyl (benzylthio)acetate With trimethylaluminum In toluene at 80℃; for 2.5h; Stage #2: trifluoroacetic acid In water; acetonitrile 152.2 Step 2; 2-[(Benzylsulfanyl)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole Trifluoroacetate (403) To a solution of the diamine 1 (106 mg, 0.5 mmol) in toluene (2 mL) is added 2.0M trimethylaluminum in toluene (0.65 mL, 1.3 mmol) followed by 402 (105 mg, 0.50 mmol), and the solution is heated at 80° C. for 2.5 h, then cooled to rt. The reaction mixture is quenched with sat. sodium bicarbonate solution (0.6 mL) and EtOAc: dichloromethane is added, and the solution filtered. The filtrate is evaporated, and the residue purified by chromatography on reversed phase silica gel; elution with acetonitrile:water/0.1% TFA gives 96 mg of the product 403. 1H NMR (CDCl3) δ 10.8 (bs, 2H), 7.44-7.3 (m, 5H), 7.05 (m, 6H), 6.73 (m, 4H), 5.23 (s, 2H), 4.08 (s, 2H), 3.98 (s, 2H); LC/MS: 3.35 min, m/z 359 (M++1).
  • 26
  • [ 5700-60-7 ]
  • [ 57941-70-5 ]
  • [ 76-05-1 ]
  • 2-(cyclohexyloxy)methyl-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole trifluoroacetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: 1,2-Diphenylethylenediamine; ethyl 2-(cyclohexyloxy)acetate With trimethylaluminum In toluene at 60℃; for 2h; Stage #2: trifluoroacetic acid In water; acetonitrile 155.2 To a solution of the diamine 1 (212 mg, 1.0 mmol) in toluene (6 mL) is added 2.0M trimethylaluminum in toluene (1.0 mL, 2.0 mmol) followed by a solution of 407 (186 mg, 1.0 mmol) in toluene (1 mL). The solution is heated at 60° C. for 2 h, then cooled to RT. The reaction mixture is quenched with sat. sodium bicarbonate solution (1.5 mL) and EtOAc is added, and the mixture is dried (MgSO4), and filtered. The filtrate is evaporated, and the residue purified by chromatography on reversed phase silica gel; gradient elution with acetonitrile:water/0.1% TFA (30:70-100:0) gives 54 mg of the product 408. 1H NMR (CDCl3) δ 7.10 (m, 6H), 6.89 (m, 4H), 5.67 (s, 2H), 4.96 (s, 2H), 3.53 (m, 1H), 1.99 (m, 2H), 1.76 (m, 2H), 1.57 (m, 1H), 1.2-1.05 (m, 5H); MS: m/z 335 (M++1).
  • 27
  • [ 766539-48-4 ]
  • [ 5700-60-7 ]
  • [ 76-05-1 ]
  • 2-[(tetrahydropyran-4-yloxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole trifluoroacetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: ethyl 2-((tetrahydro-2H-pyran-4-yl)oxy)acetate; 1,2-Diphenylethylenediamine With trimethylaluminum In toluene at 70℃; for 6h; Stage #2: trifluoroacetic acid In water; acetonitrile 156.2 To a solution of the diamine 1 (106 mg, 0.5 mmol) in toluene (4 mL) is added 2.0M trimethylaluminum in toluene (0.6 mL, 1.2 mmol) followed by a solution of 409 (95 mg, 0.5 mmol) in toluene (1 mL). The solution is heated at 70° C. for 6 h, then cooled to RT. The reaction mixture is quenched with sat. sodium bicarbonate solution (1 mL) and EtOAc is added, and the mixture is filtered. The filtrate is evaporated, and the residue purified by chromatography on reversed phase silica gel; gradient elution with acetonitrile:water/0.1% TFA (30:70-100:0) gives 109 mg of the product 410. 1H NMR (DMSO-d6) δ 10.76 (s, 2H), 7.15-7.00 (m, 10H), 5.80 (s, 2H), 4.80 (s, 2H), 3.9-3.75 (m, 3H), 3.39 (dt, 2H), 1.96 (m, 2H), 1.56 (m, 2H); MS: m/z 337 (M++1).
  • 28
  • [ 836656-54-3 ]
  • [ 5700-60-7 ]
  • [ 76-05-1 ]
  • 2-[(cycloheptyloxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole trifluoroacetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: cycloheptyloxyacetic acid ethyl ester; 1,2-Diphenylethylenediamine With trimethylaluminum In toluene at 70℃; for 6h; Stage #2: trifluoroacetic acid In water; acetonitrile 157.2 To a solution of the diamine 1 (106 mg, 0.5 mmol) in toluene (4 mL) is added 2.0M trimethylaluminum in toluene (0.6 mL, 1.2 mmol) followed by a solution of 411 (100 mg, 0.5 mmol) in toluene (1 mL). The solution is heated at 70° C. for 6 h, then cooled to RT. The reaction mixture is quenched with sat. sodium bicarbonate solution (1 mL) and EtOAc is added, and the mixture is filtered. The filtrate is evaporated, and the residue purified by chromatography on reversed phase silica gel; gradient elution with acetonitrile:water/0.1% TFA (30:70-100:0) gives 58 mg of the product 412. 1H NMR (DMSO-d6) δ 10.70 (s, 2H), 7.15-7.00 (m, 10H), 5.79 (s, 2H), 4.70 (s, 2H), 3.73 (m, 1H), 1.94 (m, 2H), 1.95 (m, 2H), 1.73-1.6 (m, 4H), 1.6-1.5 (m, 4H), 1.5-1.3 (m, 2H); MS: m/z 349 (M++1).
  • 29
  • [ 836656-58-7 ]
  • [ 5700-60-7 ]
  • [ 76-05-1 ]
  • 2-[(cyclooctyloxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole trifluoroacetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: cyclooctyloxyacetic acid ethyl ester; 1,2-Diphenylethylenediamine With trimethylaluminum In toluene at 70℃; for 6h; Stage #2: trifluoroacetic acid In water; acetonitrile 158.2 To a solution of the diamine 1 (106 mg, 0.5 mmol) in toluene (4 mL) is added 2.0M trimethylaluminum in toluene (0.6 mL, 1.2 mmol) followed by a solution of 413 (107 mg, 0.5 mmol) in toluene (1 mL). The solution is heated at 70° C. for 6 h, then cooled to RT. The reaction mixture is quenched with sat. sodium bicarbonate solution (1 mL) and EtOAc is added, and the mixture is filtered. The filtrate is evaporated, and the residue purified by chromatography on reversed phase silica gel; gradient elution with acetonitrile:water/0.1% TFA (30:70-100:0) gives 53 mg of the product 414. 1H NMR (CDCl3) δ 7.15-7.0 (m, 6H), 6.88 (m, 4H), 5.67 (s, 2H), 4.93 (s, 2H), 3.71 (m, m, 1H), 1.95-1.8 (m, 2H), 1.8-1.6 (m, 4H), 1.6-1.4 (m, 8H); MS: m/z 363 (M++1).
  • 30
  • [ 42415-64-5 ]
  • [ 5700-60-7 ]
  • [ 76-05-1 ]
  • 2-[(isopropoxy)methyl]-cis-4,5-diphenyl-4,5-dihydro-1H-imidazole trifluoroacetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: ethyl isopropoxyacetate; 1,2-Diphenylethylenediamine With trimethylaluminum In toluene at 90℃; for 3h; Stage #2: trifluoroacetic acid In water; acetonitrile 154.2 To a solution of the diamine 1 (159 mg, 0.75 mmol) in toluene (2.5 mL) is added 2.0M trimethylaluminum in toluene (0.980 mL, 1.96 mmol) followed by 405 (110 mg, 0.75 mmol), and the solution is heated at 90° C. for 3 h, then cooled to rt. The reaction mixture is quenched with sat. sodium bicarbonate solution (1.5 mL) and EtOAc is added, and the mixture is dried (MgSO4), and filtered. The filtrate is evaporated, and the residue purified by chromatography on reversed phase silica gel; elution with acetonitrile/0.1% TFA:water/0.1% TFA gives 56 mg of the product 406. 1H NMR (DMSO-d6) δ 10.73 (s, 1H), 7.2-7.0 (m, 10H), 5.79 (s, 2H), 4.72 (s, 2H), 3.86 (m, 1H), 1.25 (s, 3H), 1.23 (s, 3H); LC/MS: 3.05 min, m/z 295 (M++1).
  • 31
  • [ 512822-34-3 ]
  • [ 5700-60-7 ]
  • tert-butyl 4',5'-diphenyl-1',3',4',5'-tetrahydrospiro[3-azabicyclo[3.3.1]nonane-9,2'-imidazole]-3-carboxylate [ No CAS ]
  • 32
  • [ 5700-60-7 ]
  • [ 81879-64-3 ]
  • 3-benzyl-4',5'-diphenyl-1',3',4',5'-tetrahydrospiro[3-azabicyclo[3.3.1]nonane-9,2'-imidazole] [ No CAS ]
  • 33
  • [ 5700-60-7 ]
  • [ 1173893-17-8 ]
YieldReaction ConditionsOperation in experiment
With hydrogenchloride; hydrogen sulfide; magnesium sulfate In ethanol; ethyl acetate S.1.2 Step 2: Step 2: Synthesis of 5-(3-fluorophenyl)-2,3-diphenylpyrazine (abbreviation: Hdppr-3FP) To a reaction container for irradiation of a microwave were placed 0.20 g (1.0 mmol) of 1-(3-fluorophenyl)-2-(methylsulfinyl)ethanone, which is an intermediate and was obtained in the above Step 1, 0.21 g (1.0 mmol) of meso-1,2-diphenylethylenediamine, and 0.067 g (2.1 mmol) of sulfur (crystal), and 1 mL of ethanol was added to the mixture. This mixture was irradiated with a microwave (2.45 GHz, 50 to 100 W (change depending on reaction temperature and pressure)) for 60 minutes to be reacted. Note that the reaction temperature was set to be 70 to 75° C., and the reaction pressure was set to be 40 to 45 psi (28*104 Pa to 31*104 Pa). After the reaction, to 100 mL of 1 M dilute hydrochloric acid was added the reaction mixture. Ethyl acetate was added to this reaction mixture to extract an organic layer, and the organic layer was separated. The separated organic layer was washed with 1 M dilute hydrochloric acid, a saturated aqueous sodium hydrogen carbonate solution, and a saturated aqueous sodium chloride solution in this order. After washing, magnesium sulfate was added to the organic layer to dry the organic layer. After drying, this mixture was subjected to suction filtration to remove magnesium sulfate, so that a filtrate was obtained.
With hydrogenchloride; hydrogen sulfide; magnesium sulfate In dimethyl sulfoxide; ethyl acetate S.3.2 Step 2: Step 2: Synthesis of 5-(3-fluorophenyl)-2,3-diphenylpyrazine (abbreviation: Hdppr-3FP) To a reaction container for irradiation of a microwave were placed 0.20 g (1.0 mmol) of 1-(3-fluorophenyl)-2-(methylsulfinyl)ethanone, which is an intermediate and was obtained in the above Step 1, 0.21 g (1.0 mmol) of meso-1,2-diphenylethylenediamine, and 0.067 g (2.1 mmol) of sulfur (crystal), and 1 mL of dimethylsulfoxide (abbreviation: DMSO) was added to the mixture. This mixture was irradiated with a microwave (2.45 GHz, 90 to 100 W (change depending on reaction temperature and pressure)) for 10 minutes to be reacted. Note that the reaction temperature was set to be 90 to 100° C., and the reaction pressure was set to be 50 to 55 psi (34*104 Pa to 38*104 Pa). After the reaction, to 100 mL of 1 M dilute hydrochloric acid was added the reaction mixture. Ethyl acetate was added to this reaction mixture to extract an organic layer, and the organic layer was separated. The separated organic layer was washed with 1 M dilute hydrochloric acid, a saturated aqueous sodium hydrogen carbonate solution, and a saturated aqueous sodium chloride solution in this order. After washing, magnesium sulfate was added to the organic layer to dry the organic layer. After drying, this mixture was subjected to suction filtration to remove magnesium sulfate, so that a filtrate was obtained.
With hydrogen sulfide In 2-ethoxy-ethanol; ethyl acetate S.4.2 Step 2: Step 2: Synthesis of 5-(3-fluorophenyl)-2,3-diphenylpyrazine (abbreviation: Hdppr-3FP) To a reaction container for irradiation of a microwave were placed 0.21 g (1.0 mmol) of 1-(3-fluorophenyl)-2-methanesulfinylethanone, which is an intermediate and was obtained in the above Step 1, 0.20 g (1.0 mmol) of meso-1,2-diphenylethylenediamine, and 0.067 g (2.1 mmol) of sulfur (crystal), and 1 mL of 2-ethoxyethanol was added to the mixture. This mixture was irradiated with a microwave (2.45 GHz, 50 W) for 10 minutes to be reacted. Note that the reaction temperature was set to be 60° C., and the reaction pressure was set to be 10 to 15 psi (6.9*104 Pa to 10*104 Pa). After the reaction, the reaction mixture was concentrated, and ethyl acetate was added to this reaction mixture. This mixture was washed with 1 M dilute hydrochloric acid, a saturated aqueous sodium hydrogen carbonate solution, and a saturated aqueous sodium chloride solution in this order.
In ethanol S.2.2 Step 2: Step 2: Synthesis of 5-(3-fluorophenyl)-2,3-diphenylpyrazine (abbreviation: Hdppr-3FP) Next, to a three-necked flask were placed 2.5 g of 1-(3-fluorophenyl)-2-(methylsulfinyl)ethanone, which is an intermediate and was obtained in the above Step 1 and 2.7 g of meso-1,2-diphenylethylenediamine, and 65 mL of ethanol was added to the mixture. This mixed solution was stirred while being heated at 80° C. under a stream of nitrogen. This mixed solution was taken out to reaction containers in increments of 10 mL.

  • 34
  • [ 5700-60-7 ]
  • [ 90-02-8 ]
  • N,N'-bis(salicylidene)-1,2-diphenylethylenediamine [ No CAS ]
YieldReaction ConditionsOperation in experiment
95% In ethanol at 25℃; for 1h; Synthesis of dPhS meso-1,2-Diphenyl-ethylenediamine (4.0 g, 18.80 mol) was added into a round-bottom flask containing 50 mL ethanol. To this solution, salicylaldehyde (3.70 mL, 37.60 mmol) was added and the mixture was stirred at 25 °C for 1 h, resulting in formation of a yellow precipitate. The reaction mixture was filtered, and the product was washed with ethanol to obtain dPhS as a yellow crystalline solid. Yield was 7.58 g (17.93 mmol), 95%, yellow crystalline solid. 1H-NMR (d6-DMSO, 360 MHz,δ): 5.06 (s, 2H, -CH-CH-), 6.85 (d,J= 8.0 Hz, 4H, CHarom), 7.20-7.32 (m, 12H, CHarom), 8.43 (s, 2H, CH=N-), 13.17 (s, 2H, -OH). 13C{1H} NMR (d6-DMSO, 90 MHz,δ): 166.17, 160.11, 139.93, 132.53, 131.75, 128.23, 127.86, 127.44, 118.69, 118.50, 116.34, 77.70.
93% In ethanol for 1.5h; Reflux;
  • 35
  • [ 5700-60-7 ]
  • [ 5804-85-3 ]
  • C15H14AlN3 [ No CAS ]
YieldReaction ConditionsOperation in experiment
82% In toluene at 20℃; for 6h; Inert atmosphere; 3 Example 3
For the Synthesis of Aluminum Complexes General procedure: The Strecker cyanide sources derived from hydroxy carboxylic acids, amino acids, diamines, amino alcohols and diols can be prepared by following general procedure. Into a dried and nitrogen flushed round-bottom flask, the corresponding diamine or diol (0.1 g, 0.34 mmol, and toulene (3.0 mL) were loaded. The resulting mixture was protected under nitrogen and diethyl aluminum cyanide (1 M, 0.34 mmol) was added dropwise. The reaction was stirred at room temperature for 6 h and monitored by 1H NMR. After the reaction was completed, the solvent was dried off completely to get the product. Aluminum complex with 1,2-diphenyl amine [Formula (IV)], (a), X=Ph, Y═H, W═CN] white solid (yield 82%); 1H NMR (300 MHz, CDCl3) δ 7.20-7.02 (m, 10H), 3.71 (s, 2H), 2.60-2.40 (m, 2H), 0.98 (dd, J1=6.0 Hz, J2=12.6 Hz 12H). Aluminum complex with S-BINOL [Formula (III), (a), X═H, W═CN] off white solid (yield 86%); 1H NMR (300 MHz, CDCl3) δ 8.06-7.82 (dd, J1=7.5 Hz, J2=12.0 Hz, 2H), 7.41-7.17 (m, 10H). Aluminium complex with pinacol [Formula (III-2), (f)] off white solid (yield 87%); 1H NMR (300 MHz, CDCl3) δ 1.38 (s, 12H). 1,3-Propanediol-derived aluminium complex with pinacol [Formula (III), (m)] (yield 87%) 1H NMR 6 (300 MHz, CDCl3): 3.90-3.84 (m, 4H), 1.90 (t, J=6.0 Hz, 2H), 1.83 (t, J=4.5 Hz, 2H).
  • 36
  • [ 5700-60-7 ]
  • [ 134-81-6 ]
  • [ 642-04-6 ]
YieldReaction ConditionsOperation in experiment
46.9% With acetic acid for 4h; Reflux; 1 synthetic method references (J.A. Katzenellenbogen, the et al., Bioorg. Med.Chem., 2003, 11, 629): 50 ml round bottom flask, add 1, 2 - diphenyl diamine 212 mg (1 mmol), two benzil 210 mg (1 mmol) and 2 ml acetic acid. The reaction in the reflux in acetic acid 4 h, cooling and filtering, the filter residue in the re-crystallization in acetic acid, to obtain white needle crystal, yield: 46.9%.
With acetic acid for 4h; Reflux;
  • 37
  • [ 39229-12-4 ]
  • [ 5700-60-7 ]
  • 2-(4-bromophenyl)-3,5,6-triphenylpyrazine [ No CAS ]
  • 38
  • [ 23873-81-6 ]
  • [ 5700-60-7 ]
YieldReaction ConditionsOperation in experiment
98% With pyrographite; hydrazine hydrate; In methanol; at 58 - 62℃;Inert atmosphere; 1,2-diphenylethanedione dioxime (48 g, 0.20 mol) and 260 ml of methanol were placed in a 500 ml four-necked flask equipped with a condenser, and the whole was dissolved by stirring. Then, 2 g of activated carbon (120 mesh) 0.5 g Raney nickel, heated to 60 C,80% hydrazine hydrate (28.75g,0.46mol) was slowly added dropwise, keeping the reaction temperature at 58C -62C The reaction process was controlled by nitrogen gas, and the dropping speed was controlled to be too fast for nitrogen gas release. Chromatography tracks the progress of the reaction. When the starting 1,2-diphenylethanedione dioxime disappears, the reaction is terminated, the mixture is cooled, Raney nickel and activated carbon are filtered, covered with a small amount of water and the filtrate was distilled to recover the methanol. The residue was dissolved in 200 ml of petroleum ether, and the product was dissolved for 24 hours. The product was filtered to obtain (±) 1,1-diphenylethylenediamine in a yield of 98%. Chemical purity 99. 57% ?
  • 39
  • [ 111-71-7 ]
  • [ 5700-60-7 ]
  • 3-pentyl-5,6-diphenylpiperazin-2-one [ No CAS ]
YieldReaction ConditionsOperation in experiment
Stage #1: heptanal With N-chloro-succinimide; rac-Pro-OH In dichloromethane at 20℃; for 16h; Stage #2: With sodium chlorite; sodium dihydrogenphosphate In water; <i>tert</i>-butyl alcohol for 1.5h; Stage #3: 1,2-Diphenylethylenediamine In acetonitrile at 100℃; for 2h; Microwave irradiation;
  • 40
  • [ 5700-60-7 ]
  • [ 491-67-8 ]
  • 2,3,7-triphenyl-10-hydroxy-1,2,3,4-tetrahydro-9H-pyrano[2,3-g]quinoxaline-9-one [ No CAS ]
YieldReaction ConditionsOperation in experiment
62% In ethanol at 78℃; for 20h; 1 1.06 g of 1,2-diphenylethylenediamine and 1.35 g of baicalein were added to a three-necked flask containing 20 mL of ethanol solution Stirring, the system temperature to 78 ° C, the reaction of 20 hours, taking advantage of heat, the filtrate directly recrystallization, the red crystal 1.502g, The yield was 62%. The product was examined by nuclear magnetic resonance and single crystal X-ray diffractometer. As shown in the figure, Fig. 1 is a 1 H NMR (DMSO) Each peak is homologous and there is no obvious impurity peak in the figure, indicating that the compound obtained is pure phase. Figure 2 for the product of the three-dimensional structure projection Figure, can be intuitive to get the product of the three-dimensional structure. In conjunction with Figure 1, it was confirmed that the high purity target product 2,3,7-triphenyl- 10-hydroxy-1,2,3,4-tetrahydro-9H-pyrano [2,3-g] quinoxaline-9-one
  • 41
  • [ 5700-60-7 ]
  • C9H14O2 [ No CAS ]
  • 6,6-dimethyl-2,3-diphenyl-2,3,5,6,7,8-hexahydro-5,7-methanoquinoxaline [ No CAS ]
YieldReaction ConditionsOperation in experiment
62% In toluene at 120℃; for 5h; Inert atmosphere; Dean-Stark; 6,6-dimethyl-2,3-diphenyl-2,3,5,6,7,8- hexahydro-5,7-methanoquinoxaline (7) A mixture of 3-hydroxynopinone 5 (50 mg, 0.324 mmol)and 1,2-diphenylethylene amine (34.5 mg, 0.162 mmol) in toluene (4 mL) was stirred under reflux using dean stark apparatus for about 5 hours. The progress of the reaction was monitored by TLC. After completion, the mixture was extracted with dichloromethane (3x20 mL). The combined extracts were washed with brine, dried over Na2SO4 and concentrated in vacuo. The crude was purified by column chromatography(10% ethyl acetate/hexane) to yield 7 as a colorless solid (62.0% yield). 1H NMR (400 MHz, CDCl3): δ 7.20(m, 4H), 7.01 (m, 6H), 4.50 (d, J = 13.2 Hz, 1H), 4.37 (d,J = 13.0 Hz, 1H), 2.98 (t, J = 5.7 Hz,, 1H), 2.83 (m, 2H),2.79 (m, 1H), 2.34 (s, 1H), 1.52 (d, J = 11 HZ, 1H), 1.48 (s,3H), 0.97 (s, 3H); 13C NMR (100 MHz,CDCl3+CCl4): δ163.0, 159.3, 141.8, 141.5, 128.1, 128.0, 127.1, 66.1, 65.0,50.9, 39.3, 36.3, 32.5, 26.0, 21.8; IR (neat): υ 3076, 2960,2874, 1654, 1453, 1095, 853 cm-1; HRMS calcd forC23H24N2[M+]: 329.2018, found: 329.2061.
  • 42
  • [ 5700-60-7 ]
  • [ 617-36-7 ]
  • [ 39213-73-5 ]
YieldReaction ConditionsOperation in experiment
93.5% With pyridine; for 12h;Reflux; 1,2-Diphenylethylenediamine (30 g, 141 mmol)Then, <strong>[617-36-7]ethyl oxamate</strong> (24.82 g, 212 mmol) was added to 200 mL of pyridine and refluxed for 12 hours.When the reaction is complete, the solution is allowed to cool and poured into excess ethyl alcohol / DIW mixed solution to form a precipitate. The precipitate was filtered off and recrystallized in ethyl alcohol to obtain Compound 18 (34.8 g, Y = 93.5%).
  • 43
  • [ 100-52-7 ]
  • [ 5700-60-7 ]
YieldReaction ConditionsOperation in experiment
81% With tris(bipyridine)ruthenium(II) dichloride hexahydrate; ammonia; N-ethyl-N,N-diisopropylamine; scandium tris(trifluoromethanesulfonate) In methanol; acetonitrile at 0 - 25℃; for 15h; Sealed tube; Inert atmosphere; Irradiation; chemoselective reaction;
Multi-step reaction with 2 steps 1: ammonium acetate / 3 h / Reflux 2: sulfuric acid / 1 h / Reflux
  • 44
  • [ 5700-60-7 ]
  • [ 1885-14-9 ]
  • C28H24N2O4 [ No CAS ]
YieldReaction ConditionsOperation in experiment
With pyridine In dichloromethane at 0 - 20℃; Example: 10 mmol of 1,2-diphenylethylenediamine was dissolved in a 50 mL dichloromethane flask, thetemperature of the mixture was controlled to be about 0 ° C, and pyridine was added dropwise to the reactionmixture, and the amount of pyridine was only 10 mol% of the substrate, followed by 20 mmol of phenylchloroformate was added dropwise to the reaction system, and after the dropwise addition, the temperaturewas raised to room temperature and stirred for 4-6 hours. TLC was used to track the progress of theexperiment. After the reaction was completed, 20 mL of 1 mol of L -1 hydrochloric acid was added , and theorganic phase was washed with 20 mL of 1 mol of L -1 hydrochloric acid, 20 mL of saturated brine, dried overanhydrous sodium sulfate, and the solvent was dried to obtain purity. The higher white intermediate productdid not require further purification with a yield of 90% and a purity of greater than 95%.
  • 45
  • [ 5700-60-7 ]
  • [ 134-81-6 ]
  • [ 857223-04-2 ]
YieldReaction ConditionsOperation in experiment
80.4% With perlite supported bismuth chloride In ethanol at 20℃; for 0.75h; General procedure forsynthesis ofquinoxalines General procedure: The mixture of various diamines (0.001 mol) and benzil (0.001 mol) in etha-nol (3-5 mL) with 0.1 g of catalyst was stirred at room temperature for about 5 to 50 min. The reaction progress was examined using thin layer chromatography (TLC) with hexane as solvent. At the point of completion, the insoluble catalyst was filtered, and the product was separated by adding ethyl acetate. The crude product obtained by evaporating the solvent was purified by recrystallization using ethanol as solvent. The structure of the compounds was confirmed by FT-IR, 1 H NMR & 13 C NMR spectral analysis.
  • 46
  • [ 5700-60-7 ]
  • [ 90-02-8 ]
  • [ 3046-82-0 ]
  • C173H144N12O12 [ No CAS ]
YieldReaction ConditionsOperation in experiment
0.23 g In toluene at 20℃; for 72h; Synthesis of Oligo-Salen-B 5,5’-methylenebis-2-hydroxybenzaldehyde (0.150 g, 0.58 mmol), 2-hydroxy-benzhaldehyde (62 μL, 0.58 mmol), andmeso-1,2-diphenylethylenediamine (0.192 g, 0.87 mmol) were stirred in anhydrous toluene (22 mL) at room temperature for 72 h. Then the solvent was removed under reduced pressure, thus leading to the Oligo-Salen-B (0.230 g) as pale yellow crystals, then washed with hexane:1H NMR (500MHz, CDCl3) δ 13.1-12.8 (bs, 2H, OH), 8.1-7.9 (m, 2H, CH=N), 7.4-6.7 (m, 18H, ArH), 4.8-4.6 (bs, 2H, Ar-CH-N), 3.7 (bs, 2H, Ar-CH2-Ar) ppm. Anal. Calcd. for C174H156N12O12: Found C, 80.14; H, 6.00; N, 6.39.
  • 47
  • [ 5700-60-7 ]
  • [ 90-02-8 ]
  • [ 3046-82-0 ]
  • C115H96N8O8 [ No CAS ]
YieldReaction ConditionsOperation in experiment
40 mg In toluene at 20℃; for 72h; Synthesis of Oligo-Salen-C 5,5’-methylenebis-2-hydroxybenzaldehyde (39 mg, 0.15 mmol), 2-hydroxy-benzhaldehyde (32 μL, 0.30 mmol), andmeso-1,2-diphenylethylenediamine (66 mg, 0.30 mmol) were stirred in anhydrous toluene (22 mL) at room temperature for 72 h. Then the solvent was removed under reduced pressure, thus leading to the Oligo-Salen-C (40 mg) as yellow crystals, then washed with hexane:1H NMR (500MHz, CDCl3) δ 13.1-12.8 (bs, 2H, OH), 8.1-7.9 (m, 2H, CH=N), 7.4-6.7 (m, 18H, ArH), 4.8-4.6 (bs, 2H, Ar-CH-N), 3.7 (bs, 2H, Ar-CH2-Ar) ppm. Anal. Calcd. for C116H104N8O8: Found C, 80.11; H, 6.02; N, 6.44.
  • 48
  • [ 5700-60-7 ]
  • [ 4637-24-5 ]
  • 4,5-diphenyl-4,5-dihydro-1H-imidazole [ No CAS ]
YieldReaction ConditionsOperation in experiment
95% at 70℃; for 8h; 1 Embodiment 1 50g compounds 500 ml (01) and 30.9g (1 . 1eq) N were added to the unitunitarily single-mouth flask. Methyl dimethyl formamide dimethyl acetal (DMF-DMA), stirred, stirred, stirred, cooled down to room temperature, filtered, and filtered and washed times in a vacuum drying, unitz cyclohexane, filtered, filtered, filtered, and evaporated to dryness in vacuo; and the residue was filtered and evaporated to dryness under vacuum. N- 160 ml 8h 50 °C - 60 °C 6h 80 °C 40 °C 50 ml 70 °C 1 The milk white product 49.7g, represented by the formula (02), was unitless , unitless, 95% and unitarily 99.4%.
  • 49
  • [ 358-23-6 ]
  • [ 5700-60-7 ]
  • [ 189114-80-5 ]
  • C15H15F3N2O2S [ No CAS ]
YieldReaction ConditionsOperation in experiment
With N-ethyl-N,N-diisopropylamine In dichloromethane at 10℃; for 0.5h; Inert atmosphere; 8 Example 8 comparative examples 2g compound (01), was added to the reaction flask. After 15 ml the addition 1.43g (1 . 46eq) N, N - diethylaminoisopropylamine, N-diethylaminoisopropylamine was 10 ml dissolved 2.96g (1 . 26eq) trifluoromethanesulfonic anhydride in a constant pressure dropping funnel, and the mixture 30 min was stirred 10 °C to slowly dropwise add a trifluoromethanesulfonic anhydride solution, then the reaction solution, and the compound (I) unitarily 27.8% were detected. unitunitant methylene chloride was added dropwise to the reaction 1h, and then the reaction mixture was stirred overnight. Bi-substituted impurities are unitless 33.6%.
  • 50
  • [ 40396-54-1 ]
  • [ 5700-60-7 ]
  • 2-(3-bromophenyl)-3,5,6-triphenylpyrazine [ No CAS ]
YieldReaction ConditionsOperation in experiment
70% With acetic acid for 4h; Reflux;
66% With acetic acid at 75℃; for 24h; Ba Ba) 2-(3-bromophenyl)-3,5,6-triphenylpyrazine
A flask was charged with 1-(3-bromophenyl)-2-phenylethane-1,2-dione (36.6 g, 126.5 mmol), 1,2-diphenylethane-1,2-diamine (38.7 g, 182.1 mmol), and acetic acid (320) mL. The mixture was heated to 75° C. for 24 h. Subsequently, the reaction mixture was concentrated under reduced pressure to approx. 100 mL and then carefully poured into sat. aq. K2CO3 (700 mL). After extraction with dichloromethane three times, the combined organic phases were washed with brine, dried over MgSO4, and concentrated under reduced pressure. The crude product was purified by column chromatography (silica, n-hexane/dichloromethane 8:2) and trituration with n-hexane to afford 38.8 g (66%) of a yellow solid after drying.
With acetic acid at 75℃; for 24h; A flask was charged with l-(3-bromophenyl)-2-phenylethane-l,2-dione (36.6 g, 126.5 mmol), 1,2-diphenylethane- 1,2-diamine (38.7 g, 182.1 mmol), and acetic acid (320) mL. The mixture was heated to 75 °C for 24 h. Subsequently, the reaction mixture was concentrated under reduced pressure to approx. 100 mL and then carefully poured into sat. aq. K2C03 (700 mL). After extraction with dichloromethane three times, the combined organic phases were washed with brine, dried over MgS04, and concentrated under reduced pressure. The crude product was purified by column chromatography (silica, n-hexane/dichloromethane 8:2) and trituration with n-hexane to afford 38.8 g (66%) of 2,3,5-triphenyl-6-(3-(4,4,5,5-tetramethyl- 1 ,3 ,2-dioxaborolan-2-yl)phenyl)pyrazineafter drying .
  • 51
  • [ 14794-31-1 ]
  • [ 5700-60-7 ]
  • C26H32N2O6 [ No CAS ]
YieldReaction ConditionsOperation in experiment
82% With sodium hydroxide In dichloromethane at 0℃; 1 Example 1: Synthesis of chelating agent I-2 in structural formula (I) The 1,2-diphenyl-ethylenediamine (2.12g, 10 mmol), NaOH (880mg, 22 mmol)was dissolved in 30 mL dichloromethane at 0Oadded acetyl chloride cinnamate (984 mg under C, 60 mmol) was stirred overnight.The reaction process was detected by TLC. After the reaction was completed, 2 M HCl was added to adjust pH 1, ethyl acetate was extracted (30 mL x 3), the organic phase was collected, washed with saturated sodium chloride, dried over anhydrous sodium sulfate, spin-dried, 200-300 Mesh silica gel column chromatography to obtain 3.97g of target compound 1, yield 82%.
  • 52
  • [ 5700-60-7 ]
  • C22H24N2O6 [ No CAS ]
  • C36H36N4O4 [ No CAS ]
YieldReaction ConditionsOperation in experiment
2 g Stage #1: C22H24N2O6 With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; for 1h; Stage #2: 1,2-Diphenylethylenediamine With triethylamine In dichloromethane at 20℃; for 3h; 1 Take a dry 50 mL flask, weigh compound 2 (1.7 g, 4 mmol), add dichloromethane 20 mL, oxalyl chloride 2 mL, a drop of N, N dimethylformamide, a large amount of bubbles are generated, and the reaction is stirred at room temperature for 1 h Afterwards, spin dry for use.Take another dry 100 mL flask, add 20 mL of dichloromethane, 3 mL of triethylamine, 1,2 diphenylethane-1,2 diamine (2.12g, 10 mmol), and spin-dry the acid chloride with 10 mL Dichloromethane was dissolved, and it was slowly added to the reaction solution with a syringe, and a large amount of white smoke was generated.After reacting at room temperature for 3h, TLC detected that the raw material had reacted completely.Adjust pH 1 with 2M HCl, extract the reaction solution with dichloromethane (30 mL×3), combine the organic phases, wash with saturated brine, dry over anhydrous sodium sulfate, and rotovap under reduced pressure to obtain a light yellow oily liquid, 200~300 mesh Silica gel column chromatography (PE:EA=10:1~5:1) yielded 2.0 g of target compound 3 with a yield of 85%.
  • 53
  • [ 5700-60-7 ]
  • [ 501-65-5 ]
  • 3,3',4,4'-tetraphenyl-1,1'-biisoquinoline [ No CAS ]
YieldReaction ConditionsOperation in experiment
45% With dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; sodium acetate In methanol at 100℃; for 10h; Inert atmosphere; 2 Example 1: 3,3',4,4'-tetraphenyl-1,1'-biisoquinoline (3a) synthesis method 1: General procedure: Weighing benzil bisoxime(0.1 mmol, 24 mg),Diphenylacetylene (0.2 mmol, 36 mg),The feeding ratio is 1:2,[Cp*RhCl2]2 (1.6 mg, 2.5mol% equivalent to the amount of benzil bisoxime) as a catalyst,Sodium acetate (16 mg, 2 equivalents relative to the amount of benzil bisoxime) as the base,Add the protic solvent methanol (1 ml) as the reaction solvent,The reaction was performed at 100°C for 10 hours in a nitrogen atmosphere.After the reaction is complete, cool to room temperature, filter under reduced pressure,The white solid obtained after drying is the pure product 3,3',4,4'-tetraphenyl-1,1'-biisoquinoline (3a) with a yield of 93%.
  • 54
  • [ 5700-60-7 ]
  • [ 92-44-4 ]
  • 2,3-diphenyl-1,2,3,4-tetrahydrobenzo[g]quinoxaline [ No CAS ]
YieldReaction ConditionsOperation in experiment
65% With potassium pyrosulfite; palladium 10% on activated carbon; water; ammonium formate at 100℃; Inert atmosphere; Schlenk technique;
65% With sodium metabisulfite; sodium formate; palladium dichloride In water at 150℃; for 18h; 8 In the reaction vessel, mix 2,3-Dinaphthol (5mmol, 1.3g), 1,2-diphenylethylenediamine (2mmol, 0.42g), PdCl2 (0.1mol, 0.02g), sodium metabisulfite (2mmol , 0.38g), sodium formate (6mmol, 0.41g), and water (10mL) were mixed uniformly, reacted at 150°C for 18 hours, cooled to room temperature after the reaction was completed, filtered and evaporated under reduced pressure to remove unreacted materials to obtain a crude product. The crude product is purified by column chromatography to obtain 2,3-diphenyl-1,2,3,4-tetrahydrobenzo[g]quinoxaline(3h), which is compound 3h. Compound 3h is brown oil with a yield of 65%.
  • 55
  • [ 5700-60-7 ]
  • [ 100-10-7 ]
  • C32H34N4 [ No CAS ]
YieldReaction ConditionsOperation in experiment
70% In methanol for 5h; 2.3. Synthesis of Schiff base ligand (SN-NNDMB) A mixture of meso-1,2-diphenylethylenediamine (meso-stien)(5 mmol, 1.06 g) in MeOH (25 mL) was taken in a 100 mL RB flask.A solution of 4-N,N0-dimethylaminobenzaldehyde (10 mmol,1.49 g) in MeOH (25 mL) was then added slowly. The reaction mixturewas vigorously mixed for about 5 h. The formed precipitatewas collected by vacuum filtration and then washed several timesusing anhydrous ether and dried using a desiccator containinganhydrous CaCl2. The purity of the ligand was analyzed by TLC.The isolated yield of the ligand was found to be ~ 70% (1.66 g).Light yellow crystals, 1H NMR (CDCl3) d: 7.8 (s CH = N), 2.9 (s, N-(CH3)2), 6.6-7.5 (m, ArH), 4.6 (s, CH-N). IR (KBr, cm-1) m: 1605(CN), 1367 (CAN), 1444 (N-CH3), 3025 (Ar CH). Anal. calcd forC32H34N4: C 80.98, H 7.22, N 11.80; found: C 81.21, H 6.85, N12.12. UV-vis (CH2Cl2): k/nm 328, 402. Mass: m/z 475.
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