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Chemical Structure| 864448-41-9 Chemical Structure| 864448-41-9

Structure of 864448-41-9

Chemical Structure| 864448-41-9

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Product Details of [ 864448-41-9 ]

CAS No. :864448-41-9
Formula : C11H20N2O3
M.W : 228.29
SMILES Code : O=C(N1CC2COCC(N2)C1)OC(C)(C)C
MDL No. :MFCD12198828
InChI Key :SYYVJJWPPNEPGD-UHFFFAOYSA-N
Pubchem ID :53415349

Safety of [ 864448-41-9 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Application In Synthesis of [ 864448-41-9 ]

* 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 [ 864448-41-9 ]

[ 864448-41-9 ] Synthesis Path-Downstream   1~35

  • 1
  • [ 864448-41-9 ]
  • [ 352-11-4 ]
  • [ 864448-44-2 ]
YieldReaction ConditionsOperation in experiment
67% With sodium hydrogencarbonate; In ethanol; for 1.5h;Heating / reflux; k) 9-(4-Fiuorobenzvi)-3-oxa-7.9-diazabicvc)or3.3.11nonane-7-carboxviic acid tert-butyl ester; 3-Oxa-7,9-diazabicyclo[3.3.1]nonane-7-carboxylic acid tert-butyl ester (97 mg; 0.4 mmol) in EtOH (4 ml) is combined with 4-fluorbenzylchlorid (0.051 ml; 0.4 mmol) and NaHC03 (179 mg; 2.1 mmol) and refluxed for 1.5 h. The reaction mixture is evaporated, taken up in TBME, filtered and purifed via chromatography (TBME/hexanes 2/8 to 3/7) to yield the title compound as colorless crystals (95 mg; 67 %) 1 H-NMR (400MHz; DMSO-d6), No. (ppm) : 1.40 (s, 2.50 (s, 3.28(d, 1 H); 3.42 (d, 1H) ; 3.68 (dd, 2H) ; 3.73-3.88 (m, 4H) ; 3.91 (s, 2H) ; 7.13 (t, 2H) ; 7.41 (dd, 2H). MS (m/z) ES+: 337.2 (MH+,
  • 2
  • [ 864448-40-8 ]
  • [ 864448-41-9 ]
YieldReaction ConditionsOperation in experiment
74% i) 3-Oxa-7,9-diazabicvclo[3.3.llnonane-7-carboxylic acid tert-butvl ester; 9-Benzyl-3-oxa-7,9-diazabicyclo[3.3.1]nonane-7-carboxylic acid tert-butyl ester (100 mg; 0.3 mmol) in EtOH (150 ml) is hydrogenated over Pd/C (10%; 250 mg) at 1 atm and room temp. for 1 h. After filtration and evaporation of the solvent, the residue is purified via chromatography (TBME/MeOH/NH3conc 95/5/0.5 to 90/10/2) to yield the title compound as colorless crystals (53 mg; 74 %). 1H-NMR (400MHz; DMSO-d6), No. (ppm) : 1.38 (s, 2.64 (bd, 3.03 (bd, 1H); 3.17 (bd, 1H) ; 3.71 (m, 4H) ; 3.92 (d, 1 H); 3.99 (d, 1 H); 6.67 (bs, 0.5H) ; 7.27 (bs, 0.5H). MS (m/z) ES+: 229.1 (MH+, 100).
  • 3
  • [ 864448-41-9 ]
  • [ 1255206-70-2 ]
  • [ 1433485-13-2 ]
YieldReaction ConditionsOperation in experiment
In ethanol; at 140℃; for 1h;Microwave irradiation; Commercially available tert-Butyl 3-oxa-7,9-diazabicyclo[3.3.1]nonane-7-carboxylate (300 mg, 1.3 mmol) and 4-methyl-5-[(2i?)-oxiran-2-yl]-2-benzofuran-l(3H)-one(INTERMEDIATE 2) (380 mg, 2.0 mmol) were dissolved in ethanol (10 ml) and heated in a microwave reactor at 140 C for 1 hour. The reaction was concentrated and purified by MPLC on ISCO RediSep purification column and eluted with 50%- 100% ethyl acetate/hexane to provide tert-butyl 9- [(2i.)-2-hydroxy-2-(4-methyl- 1 -oxo- 1 ,3 -dihydro-2-benzofuran-5-yl)ethyl] -3 - oxa-7,9-diazabicyclo[3.3.1 ]nonane-7-carboxylate.LC-MS (IE, m/z): 419 [M + 1]+.
  • 4
  • [ 864448-41-9 ]
  • [ 82911-69-1 ]
  • [ 1445804-24-9 ]
YieldReaction ConditionsOperation in experiment
93% In tetrahydrofuran; at 20℃; for 2.5h; A mixture of <strong>[864448-41-9]3-oxa-7,9-diaza-bicyclo[3.3.1]nonane-7-carboxylic acid tert-butyl ester</strong> (716 mg, 3.14 mmol, WuXy AppTech) and 9-fluorenylmethoxycarbonyl-N-hydroxysuccinimide (1058 mg, 3.14 mmol) was prepared in anhydrous THF (11 mL) and stirred at RT for 2.5 hours. The reaction mixture was concentrated under vacuum to give a yellow oil. After purification by flash chromatography (silica, heptane / EtOAc), the title compound was obtained as a white foam (1.36 g, 93%). 1H NMR (300 MHz, CDCI3) delta 7.77 (d, J = 7.5 Hz, 2H), 7.55 (d, J = 7.3 Hz, 2H), 7.45-7.37 (m, 2H), 7.36-7.28 (m, 2H), 4.65-4.57 (m, 2H), 4.35-3.49 (m, 9H), 3.17-2.78 (m, 2H), 1.46 (s, 9H). HPLC (max plot) 96.5%; Rt 5.07 min. UPLC/MS: (MS+) 451.4 M+H]+).
  • 5
  • [ 864448-41-9 ]
  • [ 82911-69-1 ]
  • [ 1445804-25-0 ]
  • 6
  • [ 864448-41-9 ]
  • 7-methanesulfonyl-3-oxa-7,9-diazabicyclo[3.3.1]nonane [ No CAS ]
  • 7
  • [ 864448-41-9 ]
  • [ 501-53-1 ]
  • 9-benzyl 7-tert-butyl 3-oxa-7,9-diazabicyclo[3.3.1]nonane-7,9-dicarboxylate [ No CAS ]
YieldReaction ConditionsOperation in experiment
80% To a solution of <strong>[864448-41-9]tert-butyl 3-oxa-7,9-diazabicyclo[3.3.1]nonane-7-carboxylate</strong> (0.500 g, 2.2 mmol) in dichloromethane (5 ml) was added triethylamine (0.443 g, 4.4 mmol) at room temperature. The mixture was stirred at room temperature for a few mins, and then benzyl chloroformate (0.751 g, 4.4 mmol) was added to the reaction mixture. The resulting mixture was stirred at room temperature overnight. The mixture was partitioned between dichloromethane and water. The organic phase was dried, and concentrated. The residue was purified by silica gel chromatography to give 9-benzyl 7-tert-butyl 3-oxa-7,9-diazabicyclo[3.3.1]nonane-7,9- dicarboxylate 133b (0.637 g, 80.0%). MS: calc'd (MH+) 363, measured (MH+) 363.
  • 8
  • [ 864448-41-9 ]
  • [ 1578155-69-7 ]
  • 9-[(R)-6-(2-chloro-4-fluorophenyl)-5-methoxycarbonyl-2-thiazol-2-yl-3,6-dihydropyrimidin-4-ylmethyl]-3-oxa-7,9-diazabicyclo[3.3.1]nonane-7-carboxylic acid tert-butyl ester [ No CAS ]
YieldReaction ConditionsOperation in experiment
94% With N-ethyl-N,N-diisopropylamine; In dichloromethane; at 20℃; for 16h; To a mixture of <strong>[864448-41-9]3-oxa-7,9-diaza-bicyclo[3.3.1]nonane-7-carboxylic acid tert-butyl ester</strong> (171 mg, 0.75mmol) and DIPEA(0.45 mL, 2.5 mmol) in CH2C12 (10 mL) was added (R)-6- bromomethyl-4-(2-chloro-4-fluoro-phenyl)-2-thiazol-2-yl-l,4-dihydro-pyrimidine-5-carboxylic acid methyl ester(222 mg, 0.5 mmol). The mixture was stirred at room temperature for 16 hours The mixture was concentrated in vacuo. The residue was purified by flash column chromatography to afford 9-[(R)-6-(2-chloro-4-fluoro-phenyl)-5-methoxycarbonyl-2-thiazol-2- yl-3,6-dihydro-pyrimidin-4-ylmethyl]-<strong>[864448-41-9]3-oxa-7,9-diaza-bicyclo[3.3.1]nonane-7-carboxylic acid tert-butyl ester</strong> as yellow oil (0.28 g, 94%). MS: calc'd (MH+) 592, measured (MH+) 592.
  • 9
  • [ 864448-41-9 ]
  • 7-methanesulfonyl-3-oxa-7,9-diazabicyclo[3.3.1]nonane-9-carboxylic acid benzyl ester [ No CAS ]
  • 10
  • [ 864448-41-9 ]
  • 7-methyl-3-oxa-7,9-diazabicyclo[3.3.1]nonane [ No CAS ]
  • 11
  • [ 864448-41-9 ]
  • 7-isopropyl-3-oxa-7,9-diazabicyclo[3.3.1]nonane [ No CAS ]
  • 12
  • [ 864448-41-9 ]
  • 7-(2,2-difluoroethyl)-3-oxa-7,9-diazabicyclo[3.3.1]nonane [ No CAS ]
  • 13
  • [ 864448-41-9 ]
  • (R)-6-(7-acetyl-3-oxa-7,9-diazabicyclo[3.3.1]non-9-ylmethyl)-4-(2-chloro-4-fluorophenyl)-2-thiazol-2-yl-1,4-dihydropyrimidine-5-carboxylic acid methyl ester [ No CAS ]
  • 14
  • [ 864448-41-9 ]
  • (R)-4-(2-chloro-4-fluorophenyl)-6-(3-oxa-7,9-diazabicyclo[3.3.1]non-9-ylmethyl)-2-thiazol-2-yl-1,4-dihydropyrimidine-5-carboxylic acid methyl ester [ No CAS ]
  • 15
  • [ 864448-41-9 ]
  • (R)-4-(2-chloro-4-fluorophenyl)-6-(7-methylsulfamoyl-3-oxa-7,9-diazabicyclo[3.3.1]non-9-ylmethyl)-2-thiazol-2-yl-1,4-dihydropyrimidine-5-carboxylic acid methyl ester [ No CAS ]
  • 16
  • [ 864448-41-9 ]
  • 9-[(R)-6-(2-chloro-4-fluorophenyl)-5-methoxycarbonyl-2-thiazol-2-yl-3,6-dihydropyrimidin-4-ylmethyl]-3-oxa-7,9-diazabicyclo[3.3.1]nonane-7-carboxylic acid methyl ester [ No CAS ]
  • 17
  • [ 864448-41-9 ]
  • (R)-6-(7-carbamoyl-3-oxa-7,9-diazabicyclo[3.3.1]non-9-ylmethyl)-4-(2-chloro-4-fluorophenyl)-2-thiazol-2-yl-1,4-dihydropyrimidine-5-carboxylic acid methyl ester [ No CAS ]
  • 18
  • [ 864448-41-9 ]
  • C27H32ClFN6O7S2 [ No CAS ]
  • 19
  • [ 864448-41-9 ]
  • (R)-4-(2-chloro-4-fluorophenyl)-6-(7-sulfamoyl-3-oxa-7,9-diazabicyclo[3.3.1]non-9-ylmethyl)-2-thiazol-2-yl-1,4-dihydropyrimidine-5-carboxylic acid methyl ester [ No CAS ]
  • 20
  • [ 864448-41-9 ]
  • 7-(1-ethoxycarbonyl-1-methylethyl)-3-oxa-7,9-diazabicyclo[3.3.1]nonane-9-carboxylic acid benzyl ester [ No CAS ]
  • 21
  • [ 864448-41-9 ]
  • 2-methyl-2-(3-oxa-7,9-diazabicyclo[3.3.1]non-7-yl)propionic acid ethyl ester [ No CAS ]
  • 22
  • [ 864448-41-9 ]
  • (R)-4-(2-chloro-4-fluorophenyl)-6-[7-(2-hydroxyacetyl)-3-oxa-7,9-diazabicyclo[3.3.1]non-9-ylmethyl]-2-thiazol-2-yl-1,4-dihydropyrimidine-5-carboxylic acid methyl ester [ No CAS ]
  • 23
  • [ 864448-41-9 ]
  • 3-[(1S,5R)-9-[[(4R)-4-(2-chloro-4-fluoro-phenyl)-5-methoxycarbonyl-2-thiazol-2-yl-1,4-dihydropyrimidin-6-yl]methyl]-3-oxa-7,9-diazabicyclo[3.3.1]nonan-7-yl]-2,2-dimethyl-3-oxo-propanoic acid [ No CAS ]
  • 24
  • [ 864448-41-9 ]
  • methyl (4R)-4-(2-chloro-4-fluorophenyl)-6-[(6-oxo-3-oxa-7,9-diazabicyclo[3.3.1]nonan-9-yl)methyl]-2-thiazol-2-yl-1,4-dihydropyrimidine-5-carboxylate [ No CAS ]
  • 25
  • [ 864448-41-9 ]
  • tert-butyl 6-oxo-3-oxa-7,9-diazabicyclo[3.3.1]nonane-7-carboxylate [ No CAS ]
  • 26
  • [ 864448-41-9 ]
  • [ 501-53-1 ]
  • 3-oxa-7,9-diazabicyclo[3.3.1]nonane-9-carboxylic acid benzyl ester [ No CAS ]
YieldReaction ConditionsOperation in experiment
100% W To a solution of <strong>[864448-41-9]3-oxa-7,9-diaza-bicyclo[3.3.1]nonane-7-carboxylic acid tert-butyl ester</strong> (WuXi AppTec (Wuhan) Co., Ltd, CAS: 864448-41-9) (173 mg, 0.76 mmol) in CH2C12 (20 mL) at 0 C was added DIPEA (195 mg, 1.52 mmol) and CbzCI (155 mg, 0.91 mmol). The reaction mixture was warmed up to room temperature and then stirred for 2 hours. The mixture was quenched with sat. NH4C1, and then extracted with EtOAc (60 mL). The organic layer was washed with sat. NH4C1, sat. NaHC03 and brine (20 mL) respectively, and then dried over Na2S04. The solvent was removed to give a white solid (250 mg, 78%), which was dissolved in CH2C12 (2 mL). To the solution was added HCI in dioxane (4 M, 2 mL). The reaction mixture was stirred at room temperature for 2 hours. The solvent was removed to give 3-oxa-7,9-diaza- bicyclo[3.3.1]nonane-9-carboxylic acid benzyl ester (Compound X) (205 mg, 100%) as a white solid. MS: calc'd (MH+) 263, measured (MH+) 263.
  • 27
  • [ 864448-41-9 ]
  • [ 501-53-1 ]
  • O9-benzyl O7-tert-butyl 6-oxo-3-oxa-7,9-diazabicyclo[3.3.1]nonane-7,9-dicarboxylate [ No CAS ]
YieldReaction ConditionsOperation in experiment
150 mg To a solution <strong>[864448-41-9]tert-butyl 3-oxa-7,9-diazabicyclo[3.3.1]nonane-7-carboxylate</strong> (400mg, L75 mmol) and Et3N (0.49 niL, 3.5 mrnol) in DCM (10 mL) was added CbzCl (448 mg, 2.63 mmoi) at room temperature. The reaction mixture was stirred at room temperature for 2 hours and then water (10.0 mL) was added, and the mixture is extracted three times with EtOAc (30 rnL each). The combined organic phase was dried over Na2SO4 and concentrated. The residue was purifiedby silica gel colunm chromatography (PE: EtOAc, from 10:1 to 2: 1) to give a white solid (300 mg). The solid was dissolved in ACN (8 mL) and water (2 rnL), to which were added RuC13 (35 mg, 0.170 mmol) and Na104 (532 mg, 2.48 mmoi). The reaction mixture was stirred at room temperature for 36 hours and water (10 niL) was added, and the mixture was extracted three times with EtOAc (20 mL), The combined organic phase was dried over Na2SO4 andconcentrated. The residue was purified by column (PE: EtOAc, from 10:1 to 1: 1) to give the desired product 13a as a yellow oil (150 mg). LCMS (M-100+H) 277.1
  • 28
  • [ 864448-41-9 ]
  • (3-oxa-7,9-diazabicyclo[3.3.1]nonan-9-yl)(6-((2',4'-dimethyl-[4,5'-bithiazol]-2-yl)amino)pyridin-3-yl)methanone [ No CAS ]
  • 29
  • [ 864448-41-9 ]
  • (6-((2',4'-dimethyl-[4,5'-bithiazol]-2-yl)amino)pyridin-3-yl)(7-(5-(trifluoromethyl)pyrimidin-2-yl)-3-oxa-7,9-diazabicyclo[3.3.1]nonan-9-yl)methanone [ No CAS ]
  • 30
  • [ 864448-41-9 ]
  • 6-((2',4'-dimethyl-[4,5'-bithiazol]-2-yl)amino)nicotinic acid [ No CAS ]
  • tert-butyl 9-(6-((2',4'-dimethyl-[4,5'-bithiazol]-2-yl)amino)nicotinoyl)-3-oxa-7,9-diazabicyclo[3.3.1]nonane-7-carboxylate [ No CAS ]
YieldReaction ConditionsOperation in experiment
100% With 1-[(1-(cyano-?2-?ethoxy-?2-?oxoethylidenaminooxy)?dimethylamino-?morpholino)]-uronium hexafluorophosphate; triethylamine; In N,N-dimethyl-formamide; at 20℃; for 1.5h; General procedure: The mixture of 13a (151 mg, 0.423 mmol) and 4 N HCl in 1,4-dioxane solution (1.38 ml) was stirred at room temperature overnight. After concentration, the residue was crystalized with etherto afford the white precipitation. The resulting solid was collected by filtration to afford 14a (121 mg, 98.0%) as the white solid. MSESI (m/z) = 257 [M+H]+. To a solution of 4a (116 mg, 0.35 mmol)in DMF (2.3 ml) was added 14a (120 mg, 0.42 mmol), COMU (225 mg, 0.525 mmol) and Et3N (177 mg, 1.75 mmol) at room temperature.The reaction mixture was stirred at same temperature for 1.5 h. The reaction mixture was diluted with sat. NaHCO3 solution to afford the pale yellow precipitation. The resulting solid was collected by filtration to 16a
  • 31
  • [ 864448-41-9 ]
  • tert-butyl (6S)-6-methyl-3-(6-oxo-3-oxa-7,9-diazabicyclo[3.3.1]nonan-7-yl)-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-5-carboxylate [ No CAS ]
  • 32
  • [ 864448-41-9 ]
  • 2-[7-[(6S)-5-tert-butoxycarbonyl-6-methyl-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-3-yl]-6-oxo-3-oxa-7,9-diazabicyclo[3.3.1]nonan-9-yl]acetic acid [ No CAS ]
  • 33
  • [ 864448-41-9 ]
  • benzyl 7-[(6S)-5-tert-butoxycarbonyl-6-methyl-6,7-dihydro-4H-pyrazolo[1,5,-a]pyrazin-3-yl]-6-oxo-3-oxa-7,9-diazabicyclo[3.3.1]nonane-9-carboxylate [ No CAS ]
  • 34
  • [ 864448-41-9 ]
  • tert-butyl (6S)-3-[9-(2-ethoxy-2-oxo-ethyl)-6-oxo-3-oxa-7,9-diazabicyclo[3.3.1]nonan-7-yl]-6-methyl-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-5-carboxylate [ No CAS ]
  • 35
  • [ 864448-41-9 ]
  • 2-[7-[(6S)-6-methyl-5-[(3,4,5-trifluorophenyl)carbamoyl]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-3-yl]-6-oxo-3-oxa-7,9-diazabicyclo[3.3.1]nonan-9-yl]acetic acid [ No CAS ]
 

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