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CAS No. : | 79060-88-1 | MDL No. : | MFCD00043323 |
Formula : | C32H12BF24Na | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | LTGMONZOZHXAHO-UHFFFAOYSA-N |
M.W : | 886.20 | Pubchem ID : | 23681909 |
Synonyms : |
|
Num. heavy atoms : | 58 |
Num. arom. heavy atoms : | 24 |
Fraction Csp3 : | 0.25 |
Num. rotatable bonds : | 12 |
Num. H-bond acceptors : | 24.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 150.07 |
TPSA : | 0.0 Ų |
GI absorption : | Low |
BBB permeant : | No |
P-gp substrate : | Yes |
CYP1A2 inhibitor : | No |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -1.65 cm/s |
Log Po/w (iLOGP) : | 0.0 |
Log Po/w (XLOGP3) : | 14.17 |
Log Po/w (WLOGP) : | 20.43 |
Log Po/w (MLOGP) : | 11.02 |
Log Po/w (SILICOS-IT) : | 13.7 |
Consensus Log Po/w : | 11.86 |
Lipinski : | 2.0 |
Ghose : | None |
Veber : | 1.0 |
Egan : | 1.0 |
Muegge : | 4.0 |
Bioavailability Score : | 0.17 |
Log S (ESOL) : | -13.78 |
Solubility : | 0.0 mg/ml ; 0.0 mol/l |
Class : | Insoluble |
Log S (Ali) : | -14.26 |
Solubility : | 0.0 mg/ml ; 0.0 mol/l |
Class : | Insoluble |
Log S (SILICOS-IT) : | -16.38 |
Solubility : | 0.0 mg/ml ; 4.17e-17 mol/l |
Class : | Insoluble |
PAINS : | 0.0 alert |
Brenk : | 1.0 alert |
Leadlikeness : | 3.0 |
Synthetic accessibility : | 4.59 |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* 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.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
82% | With magnesium; ethylene dibromide In diethyl ether at 20℃; Inert atmosphere; Heating | A three-neck round bottom flask fitted with a reflux condenser was evacuated, flame dried and filledwith argon prior to use. 1.01 g (41.7 mmol) magnesium, 0.72 g (6.4 mmol, 1 eq) NaBF4 and diethylether (150 mL) were added. To start to reaction 1.07 g (0.49 ml, 5.7 mmol, 0.9 eq) dibromoethanewere added and the flask was heated for several minutes followed by the dropwise addition of 1.71 g(6.25 ml, 36 mmol) 3,5-bis(trifluoromethyl)bromobenzene diluted with diethyl ether (50 mL) over30 min. When the exothermic reaction slowed the reaction mixture was heated for additional 30 min.The solution was then stirred over night at room temperature. The reaction mixture was quenched bythe addition of 16 g Na2CO3 in distilled water (200 mL), stirred for 30 min and filtered. The aqueousphase was extracted three times with diethyl ether (50 mL), the combined organic phases were driedover sodium sulfate and charcoal followed by filtration. The solvent was removed and the remainingcrude product was dissolved in toluene (200 mL) to remove the water with a Dean Stark trap byazeotropic distillation. The solvent was removed, the product filtered, washed with dry toluene anddried under vacuo. The product was observed as colorless solid (4.65 g, 5.3 mmol, 82 percent).m.p. decomposition >290 °C.1H-NMR (300 MHz, DMSO-d6): δ = 7.67 (s, 4H, B-p-CH), 7.61 (s, 8H, B-o-CH) ppm.13C-NMR (75.5 MHz, DMSO-d6): δ = 161.0 (q, JB = 50 Hz, 4 Ci-B), 134.0 (s, 8 B-o-CH), 128.5 (qq,JF = 31 Hz, JB = 2.7 Hz, 8 Ci-CF3), 124.0 (q, JF = 272 Hz, CF3), 117.6 (m, 4 B-p-CH) ppm.19F-NMR (283 MHz, DMSO-d6): δ = -57.6 (CF3) ppm.Elemental analysis for C32H12BF24Na*1.8 H2O: calcd. C = 41.61 H = 1.70, found C = 41.57, H = 1.66. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
47% | Stage #1: With magnesium; ethylene dibromide In diethyl ether at 20℃; Heating / reflux Stage #2: for 0.5 h; |
f) Preparation of Sodium tetrakis [3,5-bis-(trifluoromethyl)-phenyl]-borate (as described by D. L. Reger, T. D. Wright, C. A. Little, J. J. S. Lamba, M. D. Smith in Inorg. Chem., 2001, 40, 3810-3814); Step f-1: A total of 3.49 g (31.7 mmol, 1 eq.) of sodium tetrafluoroborate, 4.98 g (205 mmol, 6.45 eq.) and 600 mL of anhydrous ether were charged in a 2 L 4 neck round bottom flask, equipped with overhead stirrer, addition funnel, thermocouple, condenser, nitrogen line and heating mantle. Dibromoethane (1 mL) was added, and the flask was gently heated to initiate the reaction. The heat was removed, and a solution of 50.94 g (174 mmol, 5.47 eq.) of 3,5-bis-(trifluoromethyl)-bromobenzene in 100 mL of ether was added dropwise within 30 min, which caused the solution to gently reflux. Once all bromide was added, the reaction was heated with a heating mantle to continue the reflux for an additional 1 hour. The heat than was removed, and the resulted mixture stirred overnight at room temperature. After this period of time, the reaction mixture was poured on a cold solution of sodium carbonate (77 g of Na2CO3 in 950 mL of water) and stirred for 30 min. The top brown organic layer was separated, and the bottom milky aqueous layer was extracted with ether (2.x.300 mL). Combined organic phases were dried over sodium sulfate and stirred with 17 g of charcoal for 2 hours at room temperature. The mixture was filtered through the Celite pad, and the ether was removed on a rotovap to yield 32.4 g of brown semisolid. The obtained crude product was dissolved in 800 mL of benzene and water was removed with a Dean-Stark trap by azeotropic distillation for 3 hours. The solvent volume was reduced to about 200 mL and the residue was cooled on an ice bath to form a mixture of a solid and heavy brown oil. The heterogeneous mixture was filtered off, washed with benzene (3.x.50 mL) followed by hexane wash (1.x.100 mL). The isolated solid was dried under suction and nitrogen flow to yield 13.28 (47percent yield) of white solid with Rf=0.15 in EtOAc. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | In toluene; at 20℃; for 1h; | In an inert atmosphere a 313 mg (0.353 mmol) of sodium tetrakis [3,5-bis (trifluoromethyl) phenyl] borate (ABCR GmbH & Co, Karlsruhe, Germany) was added to a solution of 330 mg (0.353 mmol) cobalt complex F in 20 ml toluene. The solution was stirred for 1 hour at room temperature. After removing the precipitate by centrifugation, the solvent was removed in vacuo. The resulting oil was washed three times with pentane. After drying in vacuo, the product was isolated as a yellowish solid (560 mg,90%). Its solubility in toluene or benzene-D6 is estimated at ca. 10 mg/ml at20 C. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
47% | f) Preparation of Sodium tetrakis [3,5-bis-(trifluoromethyl)-phenyl]-borate (as described by D. L. Reger, T. D. Wright, C. A. Little, J. J. S. Lamba, M. D. Smith in Inorg. Chem., 2001, 40, 3810-3814); Step f-1: A total of 3.49 g (31.7 mmol, 1 eq.) of sodium tetrafluoroborate, 4.98 g (205 mmol, 6.45 eq.) and 600 mL of anhydrous ether were charged in a 2 L 4 neck round bottom flask, equipped with overhead stirrer, addition funnel, thermocouple, condenser, nitrogen line and heating mantle. Dibromoethane (1 mL) was added, and the flask was gently heated to initiate the reaction. The heat was removed, and a solution of 50.94 g (174 mmol, 5.47 eq.) of 3,5-bis-(trifluoromethyl)-bromobenzene in 100 mL of ether was added dropwise within 30 min, which caused the solution to gently reflux. Once all bromide was added, the reaction was heated with a heating mantle to continue the reflux for an additional 1 hour. The heat than was removed, and the resulted mixture stirred overnight at room temperature. After this period of time, the reaction mixture was poured on a cold solution of sodium carbonate (77 g of Na2CO3 in 950 mL of water) and stirred for 30 min. The top brown organic layer was separated, and the bottom milky aqueous layer was extracted with ether (2×300 mL). Combined organic phases were dried over sodium sulfate and stirred with 17 g of charcoal for 2 hours at room temperature. The mixture was filtered through the Celite pad, and the ether was removed on a rotovap to yield 32.4 g of brown semisolid. The obtained crude product was dissolved in 800 mL of benzene and water was removed with a Dean-Stark trap by azeotropic distillation for 3 hours. The solvent volume was reduced to about 200 mL and the residue was cooled on an ice bath to form a mixture of a solid and heavy brown oil. The heterogeneous mixture was filtered off, washed with benzene (3×50 mL) followed by hexane wash (1×100 mL). The isolated solid was dried under suction and nitrogen flow to yield 13.28 (47% yield) of white solid with Rf=0.15 in EtOAc. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
82% | With magnesium; ethylene dibromide; In diethyl ether; at 20℃;Inert atmosphere; Heating; | A three-neck round bottom flask fitted with a reflux condenser was evacuated, flame dried and filledwith argon prior to use. 1.01 g (41.7 mmol) magnesium, 0.72 g (6.4 mmol, 1 eq) NaBF4 and diethylether (150 mL) were added. To start to reaction 1.07 g (0.49 ml, 5.7 mmol, 0.9 eq) dibromoethanewere added and the flask was heated for several minutes followed by the dropwise addition of 1.71 g(6.25 ml, 36 mmol) 3,5-bis(trifluoromethyl)bromobenzene diluted with diethyl ether (50 mL) over30 min. When the exothermic reaction slowed the reaction mixture was heated for additional 30 min.The solution was then stirred over night at room temperature. The reaction mixture was quenched bythe addition of 16 g Na2CO3 in distilled water (200 mL), stirred for 30 min and filtered. The aqueousphase was extracted three times with diethyl ether (50 mL), the combined organic phases were driedover sodium sulfate and charcoal followed by filtration. The solvent was removed and the remainingcrude product was dissolved in toluene (200 mL) to remove the water with a Dean Stark trap byazeotropic distillation. The solvent was removed, the product filtered, washed with dry toluene anddried under vacuo. The product was observed as colorless solid (4.65 g, 5.3 mmol, 82 %).m.p. decomposition >290 C.1H-NMR (300 MHz, DMSO-d6): delta = 7.67 (s, 4H, B-p-CH), 7.61 (s, 8H, B-o-CH) ppm.13C-NMR (75.5 MHz, DMSO-d6): delta = 161.0 (q, JB = 50 Hz, 4 Ci-B), 134.0 (s, 8 B-o-CH), 128.5 (qq,JF = 31 Hz, JB = 2.7 Hz, 8 Ci-CF3), 124.0 (q, JF = 272 Hz, CF3), 117.6 (m, 4 B-p-CH) ppm.19F-NMR (283 MHz, DMSO-d6): delta = -57.6 (CF3) ppm.Elemental analysis for C32H12BF24Na*1.8 H2O: calcd. C = 41.61 H = 1.70, found C = 41.57, H = 1.66. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
61.3% | In the similar apparatus to that used in Example 1, 0.5g of commercially available ferrocene was added to 10g of conc. sulfuric acid. The resulting solution was stirred at room temperature for 5 hours, and then 100ml of pure water was added thereto. The flask containing the solution was cooled, and the solution was filtered with PTFE filter paper. The filtrate was transferred to a beaker made of Pyrex glass (capacity: 300ml), and ethanol solution (7ml) containing 2.48g of tetrakis[3,5-bis(trifluoromethyl)phenyl] borate sodium salt (CAS 79060-88-1) was added. Blue colored crystal precipitated. The precipitate was filtered, washed with pure water, dried by evaporator, washed with toluene, and dried again by evaporator. 1.73g of ferrocenium/tetrakis[3,5-bis(trifluoromethyl)phenyl] borate was obtained (yield 61.3%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | In diethyl ether; water; for 0.0833333h; | 10 mL of water in which silver nitrate (254 mg, 1.5 mmol) was dissolved and dissolved in NaBArF (886 mg, 1 mmol)The ether (20 mL) was placed in a separatory funnel wrapped with aluminum foil and shaken vigorously for 5 minutes.The organic layer was separated and evaporated to give AgBArF.It was a white solid (920 mg, 95% yield). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
51.5% | In the similar apparatus to that used in Example 1, 0.5g of 1,2,4,1',2',4'-hexamethyl ferrocene was added to 10g of conc. sulfuric acid. The resulting solution was stirred at room temperature for 16 hours, and then 100ml of pure water was added thereto. The flask containing the solution was cooled, and the solution was filtered with PTFE filter paper. The filtrate was heated to 60C by water bath with stirring, and ethanol solution (7ml) containing 1.71g of tetrakis[3,5-bis(trifluoromethyl)phenyl] borate sodium salt was added. Blue-green colored crystal precipitated. The precipitate was filtered, washed with pure water, dried by evaporator, washed with toluene, and dried again by evaporator. 1.08g of 1,2,4,1',2',4'-hexamethyl ferrocenium/tetrakis[3,5-bis(trifluoromethyl)phenyl] borate was obtained (yield 51.5%). The identification was carried out by 1H-NMR analysis similarly to the Example 2, and the following data was obtained.1HNMR [25C, deuterated acetone, chemical shift of peak(ppm)]: 17.1 (methyl); 7.58, 7.50 (phenyl) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
59.2% | In the similar apparatus to that used in Example 1, 1g of commercially available 1,2-diferrocenyl ethane (CAS 12156-05-7) was added to 15g of conc. sulfuric acid. The resulting solution was stirred at room temperature for 16 hours, and then 100ml of pure water was added thereto. The flask containing the solution was cooled, and the solution was filtered with PTFE filter paper. The filtrate was heated to 70C by water bath with stirring, and 4.86g of tetrakis[3,5-bis(trifluoromethyl)phenyl] borate sodium salt was added. Blue-green colored crystal precipitated. After the flask was left still for 1 hour under stirring, the precipitate was filtered, washed with pure water, dried by evaporator, washed with toluene, and dried again by evaporator. 3.16g of (2-ferrocenylethyl) ferrocenium/tetrakis[3,5-bis(trifluoromethyl)phenyl] borate was obtained (yield 59.2%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
91% | [Ir (COD) CI] 2 (27 mg, 0.039 mmol) is placed in a reaction vessel together with DICHLOROMETHANE (0.5 ML). The phosphinite C1 (32 mg, 0.071 MMOL, dissolved in DICHLOROMETHANE, 4.0 ML) is added dropwise to the solution and the mixture is subsequently heated to 45C. After 2 h, the solution is admixed with sodium tetra (bistrifluoro- methyl) phenyl) borate (NaBArF) (74 mg, 0. 078 MMOL) and water. After phase separation and extraction of the aqueous phase with DICHLOROMETHANE (10 ml), the combined organic extracts are dried over MGS04 and the DICHLOROMETHANE is subsequently removed on a rotary evaporator. The orange foam formed is purified by column chromatography on silica gel (DICHLOROMETHANE). This gives the complex D1 as an orange solid (105 mg, 91%). 'H-NMR (500.1 MHz, CDC13, 295 K): # = -0. 04 (d, J = 6. 5 Hz, 3H, CH (CH3) 2), 0.74 (d, J = 7.0 Hz, 3H, CH (CH3) 2), 1.05 (m, 1H, CH2), 1.23 (m, 2H, CH2), 1.40-1. 70 (m, 5H, COD and Cy), 1.70-1. 80 (m, 5H, COD and Cy), 1.80 (m, 1H, CH (CH3) 2), 1.90 (d, J = 2.0 Hz, 3H, CH3), 1.94 (m, 1H, CH2), 2.10 (m, 1H, CH2), 2.34 (m, 1H, CH2), 2.34 (s, 3H, CH3), 2.41 (m, 1H, CH2), 2.55 (m, 2H, CH2), 3.23 (m, 1H, CH, COD), 3.39 (dd, J= 11. 0,5. 0 Hz, 1H, CH2, Im), 3.46 (t, J = 11.5 Hz, 1 H, CH2, Im), 3.64 (m, 1H, CH, Im), 3.85 (m, 1H, CH, Cy), 5.04 (m, 1H, CH, COD), 5.20 (m, 1 H, CH, COD), 7. 11 (m, 2H, Ar-H), 7.41-7. 47 (m, 6H, Ar-H), 7.52 (s br, 3H, BArF), 7.54 (m, 1 H, Ar-H), 7.71 (s, 8H, BArF), 7.83 (2H, N-Ar-H) ppm. 31P-NMR (161.9 MHz, CDCI3, 300 K): # = 94. 7 ppm. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
72% | (k) Ru(p-cymene) (R, R- TsDPEN) (pyridine)]B[3, 5-(CFs)2C6H3)U In an Ar filled flask, 0.080 g (0.13 mmol) of [RuCI(p- cymene)(RR-TsDPEN)], 0.114 g (0.13 mmol) of NaB[3,5-(CF3)2C6H3)]4 and 0.025 g Of AgBF4 (0.13 mmol) were combined. CH2CI2 (5 ml_) was added and the resulting brown-purple mixture was left to stir at ambient temperature overnight. After 16 hours, the suspension was filtered through a 0.45 mm PTFE syringe filter and 10 ml_ (0.13 mmol) of pyridine was added. The resulting brown solution was concentrated to dryness leaving a brown residue. Yield: 0.15O g (72 %). 1H NMR and 19F(1HJ NMR (ppm, CDCI3) showed the product was obtained. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
70% | With silver tetrafluoroborate; In dichloromethane; at 20℃; for 21h;Inert atmosphere; | In an Ar filled flask, 0.08 g (0.13 mmol) of [RuCI(p-cymene)(R,R-TsDPEN)] and 0.111 g (0.13 mmol) of NaB[3,5-(CF3)2C6H3)]4 and 0.025 g (0.13 mmol) of AgBF4 were combined. CH2CI2 (5 ml_) was added and the resulting brown purple mixture was left to stir at ambient temperature overnight. After 21 hours, the suspension was filtered through a 0.45 mm PTFE syringe filter. The purple filtrate was concentrated to dryness leaving a purple residue. Yield: 0.145 g (70 %). 1H and 19F(1HJ NMR (ppm, CDCI3) showed the product was obtained. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
87% | Cat*i: In a previously dried Schlenk tube, Lig-5 (250 mg, 0.427 mmol) and [Ir(COD)CI]2 (149 mg, 0.222 mmol, 0.52 eq) were dissolved in dry CH2CI2 (6 mL) under nitrogen and the resulting solution was stirred at 50 0C for 1 h. After cooling to room temperature, sodium tetrakis[3,5-bis(trif I uorom ethyl )phenyl] borate (567 mg, 0.640 mmol, 1.5 eq) was added, followed by 6 mL of water and the resulting two-phase mixture was stirred vigorously for 15 min. The layers were separated, the aqueous phase extracted with CH2CI2 and the combined organic extracts evaporated under vacuum. The crude obtained was purified by flash column chromatography using hexane/CH2CI2 1/1 to afford Cat*i (650 mg, 0.371 , 87 % yield) as an orange solid.1H-NMR (CDCI3, 400 MHz) delta = 1.28 (m, 2H), 1.55 (m, 1 H), 2.02 (m, 3H), 2.29 (m, 1 H), 2.41 (m, 1 H), 2.73 (m, 1 H), 3.14 (m, 1 H), 4.43 (d, J = 4.0 Hz, 1 H), 4.60 (s, 1 H), 4.63 (s, 5H), 4.70 (m, 2H), 4.81 (d, J = 5.2 Hz, 1 H), 4.86 (t, J = 2.4 Hz, 1 H), 4.98 (s, 1 H), 5.95 (s, 1 H), 6.54 (d, J = 7.2 Hz, 2H), 7.07 (t, J = 7.2 Hz, 2H), 7.20 (m, 4H), 7.39 (m, 15H), 7.51 (m, 1 H), 7.63 (s, 9H) ppm. 31P-NMR (CDCI3, 162 MHz) delta = 9.42 ppm. HRMS (+ESI) calcd for C45H43FeIrN2P: 891.2107, found: 891.2137. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | Iridium Complex of Ligand In:In a Schlenk tube under an argon atmosphere, a mixture of ligand (Sp)-1-[(1R)-(1-(5,6-dimethoxy-3H-isobenzofuran-1-ylideneamino)-ethyl)]-2-(diphenyl phosphino)-ferrocene (In) (100 mg, 0.170 mmol) and [Ir(COD)Cl]2 (57 mg, 0.0848 mmol) in dry CH2Cl2 (5 mL) was refluxed and stirred during 2 h. After cooling down to room temperature, NaBARF (225.5 mg, 0.254 mmol) was added to the solution and stirred for 5 min. Then, H2O (5 mL) is added, and the mixture was stirred vigorously for 20 min. The organic layer was seperated, and the aqueous phase was extracted with CH2Cl2 (2×5 mL). The combined organic phases were dried over MgSO4, filtered and concentrated under reduced pressure. Purification by flash chromatography over silica gel (pentane/CH2Cl2, 50/50) resulted in an orange foaming solid, 261.1 mg (88%). 31P-NMR (121.4 MHz, CDCl3): +6.8 ppm. IR (HATR): 2890, 1610, 1498, 1461, 1353, 1296, 1273, 1228, 1118, 1081, 1059, 1032, 1001, 886, 839, 744, 712, 682, 669 cm-1. ES-MS: 890.1 [M-BARF]+ |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
91% | Iridium complex of ligand Io In a Schlenk tube under an argon atmosphere, a mixture of ligand (Sp)-1-[(1R)-(1-(6-methyl-3H-isobenzofuran-1-ylideneamino)-ethyl)]-2-(diphenylphosphino)-ferrocene (Is) (94.7 mg, 0.174 mmol) and [Ir(COD)Cl]2 (62.3 mg, 0.0928 mmol) in dry CH2Cl2 (5 mL) was refluxed and stirred during 2 h. After cooling down to room temperature, NaBARF (248.5 mg, 0.280 mmol) was added to the solution and stirred for 5 min. Then, H2O (5 mL) was added, and the mixture was stirred vigorously for 20 min. The organic layer was seperated, and the aqueous phase is was extracted with CH2Cl2 (2×5 mL). The combined organic phases were dried over MgSO4, filtered and concentrated under reduced pressure. Purification by flash chromatography over silica gel (pentane/CH2Cl2, 50/50) resulted in an orange foaming solid, 269 mg (91%). 31P-NMR (121.4 MHz, CDCl3): 7.2 ppm. IR (HATR): 2892, 1627, 1437, 1353, 1273, 1158, 1117, 1061, 1032, 1001, 931, 886, 839, 820, 744, 712, 694, 682, 670 cm-1. ES-MS: 844.1 [M-BARF]+ |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
64% | at 45℃; for 3h; | General procedure: To a suspension of [PdCl2(L1)] (35 mg, 0.031 mmol) in 10 mL of dichloromethane, a solution of L1 (32 mg, 0.034 mmol) and sodium tetrakis 3,5-(trifluoromethyl)phenyl borate (57 mg,0.064 mmol) in 5 mL of dichloromethane were added slowly. The mixture was heated for 3 h at 45 C. The product was filtered offover Celite and the solvent was removed under reduced pressure.The product was obtained as an oil and triturate with pentane to form a brown solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
98% | General procedure: To a suspension of [PdCl2(L1)] (35 mg, 0.031 mmol) in 10 mL of dichloromethane, a solution of L1 (32 mg, 0.034 mmol) and sodium tetrakis 3,5-(trifluoromethyl)phenyl borate (57 mg,0.064 mmol) in 5 mL of dichloromethane were added slowly. The mixture was heated for 3 h at 45 C. The product was filtered offover Celite and the solvent was removed under reduced pressure.The product was obtained as an oil and triturate with pentane toform a brown solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
96% | In tetrahydrofuran; at 20℃; for 0.166667h; | A 20 mL scintillation vial was charged with 0.058 g (0.105 mmol) of 1 -ylactone, 0.099 g (0.1 1 2 mmol) of NaBAr4F, and approximately 3 mL of THF. After the mixture was stirred at ambient temperature for 1 0 minutes, the volatiles were removed in vacuo. The residue was washed with benzene and extracted with diethyl ether. Concentrating the solution, layering with pentane and chilling to -35 C afforded 0.145 g (96%) of 1 -vlactoneNa as orange crystals. Anal. Calcd for C6i H64BF24NaNi02P2: C, 50.89; H, 4.48. Found: C, 50.94; H, 4.71 . 1 H NMR (C6D5Br) : delta 0.82 (m, 2H, Ni-a-CH2), 1 .1 -1 .72 (44H, PCy2), 1 .94, 2.02 (m, 4H, PCH2CH2P), 2.31 (m, 2H, Ni- beta -CH2), 7.63 (s, 4H, BAr4F), 8.1 8 (s, 8H, BAr4F). 13C{1 H} NMR (C6D5Br) : delta 1 2.1 1 (Ni- a -CH2), 25.31 -25.78, 26.57-26.93, 28.60, 28.88, 29.37, 29.80 (PCy2-CH2), 33.49, 35.43 (PCy2-CH), 36.67 (Nu-beta-OmicronEta2), 1 1 7.48, 1 23.26, 134.86, 1 62.1 1 (BAr4F), one aryl and one quaternary signal not located. 31 P{1 H} NMR (C6D5Br): delta 60.62 (s, 1 P, PCy2), 70.93 (s, 1 P, PCy2). 19F NMR (C6D5Br) : -62.95 (s). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
97% | In tetrahydrofuran; at 20℃; for 0.166667h; | A 20 mL scintillation vial was charged with 0.040 g (0.074 mmol) of 2-Ylactone, 0.073 g (0.082 mmol) of NaBAr4F, and approximately 3 mL of THF. After the mixture was stirred at ambient temperature for 10 minutes, the volatiles were removed in vacuo. The residue was washed with benzene and extracted with diethyl ether. Layering the concentrated diethyl ether solution with pentane and chilling at -35 C afforded 0.103 g (97%) of 2-ylactoneNa as orange crystals. 1 H NMR (C6D5Br): delta 0.71 (m, 2H, Ni-a-CH2), 1 .04-1 .94 (m, 44H, PCy2), 2.01 (m, 2H, Nu-beta-OmicronEta2), 2.1 3 (m, 2H, PCH2P) 7.63 (s, 4H, BAr4F), 8.18 (s, 8H, BAr4F). 13C{1 H} NMR (C6D5Br) : 5 7.42 (Ni-a-CH2), 25.1 3, 25.63, 26.31 , 26.66-26.93, 28.28, 29.26, 29.34 (PCy2-CH2), 29.09 (PCH2P), 34.28, 34.52 (PCy2-CH), 36.1 7 (Ni- beta -OmicronEta2), 1 1 7.48, 123.26, 1 34.86, 1 62.1 1 (BAr4F), one aryl and one quaternary signal not located. 31 P{1 H} NMR (C6D5Br) : delta -8.70 (d, 2JP.P = 35.5 Hz, 1 P, PCy2), 1 9.24 (d, 2JP.P = 35.5 Hz, 1 P, PCy2). 19F NMR (C6D5Br): -62.95 (s). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
85% | A solution of 6a (100 mg, 0.332 mmol) and [IrCl(COD)]2 (115.0 mg, 0.166 mmol) in degassed CH2C12 (6 mL) is heated for 1 h at 45 C under argon. After cooling to room temperature, NaBArF (318 mg, 0.348 mmol) is added followed immediately by 10 ml of degassed water. The two layers are stirred vigorously for 30 min. After separation of the layers, the aqueous layer is extracted twice with CH2C12 (2 mL). The combined organic layer is dried over Na2S04 and concentrated to 1 mL. The mixture is then passed through a short plug of silica under argon using CH2C12 as eluent. The center of the first orange fraction is collected and dried to give 413 mg of 6a as a red-orange solid, 85% yield. 1H NMR (500 MHz, CD2C12) delta 8.09 (d, / = 6.0 Hz, 1H), 8.05 (t, / = 7.6 Hz, 1H), 7.98 (d, / = 7.8 Hz, 1H), 7.63 (s, BArF), 7.47 (s, BArF), 7.42 (t, J = 6.8 Hz, 1H), 7.32 (t, J = 8.3 Hz, 1H), 6.52-6.55 (m, 2H), 5.96 (s, 1H), 5.25-5.28 (m, IH), 5.05 (m, IH), 4.83-4.88 (m, IH), 4.41-4.43 (m, IH), 3.84 (s, 3H), 2.61-2.65 (m, IH), 2.30-2.42 (m, 2H), 2.22-2.28 (m, 2H), 2.01-2.07 (m, IH), 1.72-1.86 (m, 2H), 1.15 (d, JH-p = 16.2 Hz, 9H); 13C NMR (125 MHz, CD2C12) delta 164.7 (d, JC-p = 10.0 Hz), 162.7 (d, JC-p = 4.1 Hz), 161.5 (q, VC-B = 50.2 Hz), 160.4 (d, JC-p = 5.5 Hz), 147.8, 140.6 (d, JC-p = 0.9 Hz), 135.3 (d, JC-p = 1.4 Hz), 134.0 (br), 128.2 (qq, 2JC-v = 31.4 Hz, c-F = 2.8 Hz), 127.0, 126.4 (d, JC-p = 7.4 Hz), 125.7, 124.9 (q, VC-F = 272.3 Hz), 116.7 (sept, 3/C-F = 4.0 Hz), 105.2 (d, JC-p = 4.0 Hz), 104.4 (d, JC-p = 5.2 Hz), 94.6 (d, Jc-p = 9.7 Hz), 93.4 (d, JC-p = 13.7 Hz), 84.8 (d, JC-p = 24.2 Hz), 63.9 (d, JC-p = 19.8 Hz), 55.1, 34.7 (d, JC-p = 4.5 Hz), 34.5 (d, JC-p = 22.1 Hz), 29.9 (d, JC-p = 1.9 Hz), 29.8 (d, Jc-p = 1.9 Hz), 25.5 (d, JC-p = 2.4 Hz), 25.4 (d, JC-p = 4.5 Hz); 31P NMR (200 MHz, CD2C12) delta 47.33 (s); HRMS (ESI) mJz 602.1853 (M+), calc. for [IrC25H32N02P]+ 602.1795; 863.0658 (BArF), calc. for [C32H12BF24]" 863.0654. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
87% | General procedure: A solution of 6a (100 mg, 0.332 mmol) and [IrCl(COD)]2 (115.0 mg, 0.166 mmol) in degassed CH2C12 (6 mL) is heated for 1 h at 45 C under argon. After cooling to room temperature, NaBArF (318 mg, 0.348 mmol) is added followed immediately by 10 ml of degassed water. The two layers are stirred vigorously for 30 min. After separation of the layers, the aqueous layer is extracted twice with CH2C12 (2 mL). The combined organic layer is dried over Na2S04 and concentrated to 1 mL. The mixture is then passed through a short plug of silica under argon using CH2C12 as eluent. The center of the first orange fraction is collected and dried to give 413 mg of 6a as a red-orange solid, 85% yield. Complex 7g. After addition of NaBArF, the mixture is stirred at room temperature for 12 h until 31 P NMR indicates complete conversion. Compound 7g (431 mg) is isolated as a light yellow solid (87% yield) after the same work up as above. 1H NMR (500 MHz, CDC13) delta 7.69 (s, BArF), 7.64 (t, / = 8.1 Hz, IH), 7.49 (s, BArF), 7.45 (t, J = 8.5 Hz, IH), 7.32 (dd, 3/H-p = 7.1 Hz, / = 5.1 Hz, IH, OCH2), 7.23 (d, J = 7.1 Hz, IH), 6.89 (dd, / = 8.7, 1.0 Hz, IH), 6.72 (m, IH, OCH2), 6.69 (t, / = 4.0 Hz, IH), 6.66 (dd, / = 8.4, 1.8 Hz, IH), 6.50 (d, / = 6.3 Hz, IH), 4.37-4.39 (m, IH), 4.29-4.31 (m, 2H), 3.96 (s, 3H), 3.87-3.90 (m, IH), 2.57-2.62 (m, 2H), 2.18-2.32 (m, 2H), 1.95-2.01 (m, IH), 1.71-1.75 (m, IH), 1.51- 1.53 (m, IH), 1.21 (d, 7 =17.0 Hz, 9H), 0.83-0.93 (m, IH), - 13.34 (dd, 2/H-P = 22.8 Hz, / = 3.8 Hz, IH); 13C NMR (125 MHz, CDC13) delta 167.9 (d, JC-p = 9.3 Hz), 162.5 (d, / = 6.3 Hz), 162.3 (q, VC-B = 50.2 Hz), 160.3 (d, JC-p = 3.8 Hz), 153.1 (d, JC-p = 7.8 Hz), 141.6 (d, JC-p = 1.4 Hz), 136.5 (d, JC-p = 1.7 Hz), 134.8 (br), 129.0 (qq, 2JC-v = 31.5 Hz, c-F = 2.8 Hz), 125.6 (q, VC-F = 272.7 Hz), 117.7 (d, JC-p = 9.5 Hz), 117.4 (sept, 3/c-F = 4.1Hz), 111.1, 106.7 (d, JC-p = 3.8 Hz), 105.6 (d, JC-p = 5.4 Hz), 104.3 (d, JC-p = 38.2 Hz), 101.2 (t, JC-p = 2.3 Hz), 95.2 (t, JC-p = 1.9 Hz, COD, CH), 93.7 (d, JC-p = 29.0 Hz, COD, CH), 68.0 (d, JC-p = 1.9 Hz, COD, CH), 65.3 (d, JC-p = 3.6 Hz, COD, CH), 61.6 (dd, / = 57.0, 0.8 Hz, CH20), 55.7, 34.2 (dd, JC-p = 24.8, 0.8 Hz), 32.8 (d, JC-p = 4.5 Hz, COD, CH2), 31.7 (COD, CH2), 26.3 (d, / = 3.6 Hz, COD, CH2), 25.8 (COD, CH2), 25.4 (d, Jc-p = 3.6 Hz); 31P NMR (200 MHz, CDC13) delta 46.45 (d, / = 6.5 Hz); HRMS (ESI) m/z 632.1863 (M+), calc. for [IrC26H34N03P]+ 632.1900; 863.0648 (BArF), calc. for [C32Hi2BF24]" 863.0654. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | In dichloromethane; at 20℃; for 0.333333h;Inert atmosphere; | Compound 7 was synthesized using Compound 4 as a raw material. That is, a methylene chloride suspension (8 ml) of ([methylpalladium(1-diisopropylphosphino-2-di(t-butyl)phosphinylbenzene)(2,6-lutidine)][hexafluoroantimonate) (Compound 4; 0.24 g; 0.30 mmol) and sodium [tetrakis(3,5-bis(trifluoromethyl)phenyl]borate (0.26 g, 0.30 mmol) was stirred at room temperature for 20 minutes under argon atmosphere. The reaction solution was filtered through a pad of Celite (dried diatom) and the filtrate was subjected to vacuum concentration. The yellow solid residue was washed with hexane, and dried under reduced pressure to obtain 0.14 g of Compound 7. The yield was 95%. 1H NMR (CDCl3) delta 7.97 (td, J = 7.6, 3.7 Hz, 1H), 7.71 (s, 8H), 7.68-7.59 (m, 4H), 7.51 (s, 4H), 7.17 (d, J = 7.5 Hz, 2H), 3.09 (s, 6H), 2.66-2.57 (m, 2H), 1.30-1.25 (m, 12H), 1.16 (d, J = 14.5 Hz, 18H), 0.37 (d, J = 2.0 Hz, 3H); 31P NMR (202 MHz, CDCl3) delta 58.20, 44.83. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | In dichloromethane; at 20℃; for 0.333333h;Inert atmosphere; | Compound 7 was synthesized using Compound 8 represented by the following formula, which is an intermediate in the synthesis of Compound 4 in Synthesis Example 4, as a material. That is, a methylene chloride suspension (8 ml) of chloromethylpalladium[1-diisopropylphosphino-2-di(t-butyl)phosphinylbenzene] (Compound 8; 0.10 g; 0.20 mmol), sodium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate (0.18 g, 0.20 mmol) and 2,6-dimethylpyridine (0.021 g, 0.20 mmol) was stirred at room temperature for 20 minutes under argon atmosphere. The reaction mixture was filtered through a pad of Celite (dried diatom) and the filtrate was subjected to vacuum concentration. The yellow solid residue was washed with hexane, and dried under reduced pressure to obtain 0.26 g of Compound 7. The yield was 90%. The 1H- and 31P-NMR spectra of Compound 7 were coincident with those described in Synthesis Example 7. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | In dichloromethane; at 20℃; for 1.5h;Inert atmosphere; | Compound 12 was synthesized in a similar manner to that described in Synthesis Example 7. That is, a methylenechloride suspension (3 ml) of Compound 11 (0.082 g, 0.14 mmol), 2,6-dimethylpyridine (0.029 g, 0.27 mmol) and sodiumtetrakis[(3,5-bis(trifluoromethyl)phenyl]borate (0.12 g, 0.14 mmol) was stirred at room temperature for 1.5 hour underargon atmosphere. The reaction mixture was filtered through a pad of Celite (dried diatom) and the filtrate was subjectedto vacuum concentration. The residue was subjected to reprecipitation from methylene chloride and pentane to obtain0.19 g of Compound 12. The yield was 90%.[0115] 1H NMR (CD2Cl2) delta 7.79-7.46 (m, 21H), 7.32-7.30 (m, 2H), 7.22 (2H, t, J = 7.2 Hz), 7.14-7.12 (m, 1H), 6.63(dd, J = 11.3, 8.1 Hz, 1H), 3.12 (s, 3H), 3.09 (s, 3H), 2.94 (s, 3H), 2.28 (s, 3H), 1.04 (d, J = 14.4 Hz, 9H), 0.97 (d, J =14.7 Hz, 9H), 0.18 (d, J = 2.7 Hz, 3H) ; 31P NMR (202 MHz, CD2Cl2) delta 64.25 (s, P(O)t-Bu2), 27.37 (s, PAr?2); Anal. Calc?dfor C68H60BF24NOP2Pd: C, 52.95; H, 3.92; N, 0.91. Found: C, 52.57; H, 3.94; N, 0.57. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
96% | In dichloromethane; at -78 - 25℃; for 3.5h; | o-(i-Pr2P)C6H4(P(O)t-Bu2) (142 mg, 0.401 mmol) as free BPMO and Compound A (110 mg, 0.199 mmol) weredissolved in 7 ml of methylene chloride and stirred at 25C for three hours. The solution was poured slowly into silverhexafluoroantimonate (0.31 g, 0.90 mmol) in a flask cooled to -78C. After vigorous stirring at 25C for 30 minutes, theresultant solution was condensed by removing silver chloride through Celite filtration. Toluene was poured into thesolution to obtain precipitate. The precipitate was recrystallized from methylene chloride to thereby obtain Compound5 as a pale orange crystals which were stable in air and humid condition. The yield was 73%.[0100] 1H NMR (CD2Cl2, 500 MHz) delta 8.96 (s, 1H), 8.00-7.97 (m, 1H), 7.81-7.72 (m, 3H), 7.24 (ddd, J = 7.7, 4.7, 1.1Hz, 1H), 7.09 (t, J = 7.1 Hz, 1H), 6.98-6.92 (m, 2H), 2.41 (s, 3H), 1.42 (d, J = 14.4 Hz, 18H), 1.22 (dd, J = 15.4, 7.1 Hz,6H), 1.03 (dd, J = 18.3, 7.1 Hz, 6H) ; 13C-NMR (CD2Cl2, 102 MHz) delta 172.55 (d, J = 3 Hz), 138.26 (d, J = 7 Hz), 135.80(d, J = 9 Hz), 135.12, 134.36 (d, J = 11 Hz), 133.35 (dd, J = 13, 8 Hz), 132.17 (dd, J = 6, 3 Hz), 131.46 (dd, J = 33, 4Hz), 130.73 (dd, J = 12, 2 Hz), 126.49, 125.51 (d, J = 4 Hz), 125.19 (d, J = 2 Hz), 118.50, 38.04 (d, J = 57 Hz), 27.83,27.76 (d, J = 24 Hz), 22.49 (d, J = 4 Hz), 19.99 (d, J = 4 Hz), 19.28; 31P NMR (CD2Cl2, 202 MHz) delta 63.07, 52.30; Anal.Calc?d for C28H44F6NOP2PdSb: C, 40.48; H, 5.34; N, 1.69. Found: C, 40.20; H, 5.41; N, 1.53. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
81% | In dichloromethane; at 20℃; for 0.166667h; | General procedure: A suspension of the iridium dimer S3a or S3b (0.15 mmol), 2,2,2-trifluoro-N-(3-(pyridin-2-yl)-1H-pyrazol-5-yl)-acetamide (84.6 mg, 0.33 mmol) in ethanol (15.0 mL) was heated at 95 C for 16-24 h under argon. The reaction mixture was concentrated to dryness and subjected to a flash silica gel chromatography (CH2Cl2/MeOH = 100:1) to give the pure yellow solid as a chloride salt. The product was directly suspended in CH2Cl2. An equal amount of <strong>[79060-88-1]sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate</strong> (NaBArF24) was added in one portion and the mixture was stirred for 10 minutes at room temperature. The white salt was filtered off. After removal of the solvent in vacuo, the residue was taken up in minimum amount of CHCl3 (about 4.0mL) and washed with excess water and centrifuged. The organic layer was dried and concentrated in vacuo to give the product Rac-Ir3 or Rac-Ir4 as the borate salt. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
87% | In dichloromethane; at 20℃; for 0.166667h; | General procedure: A suspension of the iridium dimer S3a or S3b (0.15 mmol), 2,2,2-trifluoro-N-(3-(pyridin-2-yl)-1H-pyrazol-5-yl)-acetamide (84.6 mg, 0.33 mmol) in ethanol (15.0 mL) was heated at 95 C for 16-24 h under argon. The reaction mixture was concentrated to dryness and subjected to a flash silica gel chromatography (CH2Cl2/MeOH = 100:1) to give the pure yellow solid as a chloride salt. The product was directly suspended in CH2Cl2. An equal amount of <strong>[79060-88-1]sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate</strong> (NaBArF24) was added in one portion and the mixture was stirred for 10 minutes at room temperature. The white salt was filtered off. After removal of the solvent in vacuo, the residue was taken up in minimum amount of CHCl3 (about 4.0mL) and washed with excess water and centrifuged. The organic layer was dried and concentrated in vacuo to give the product Rac-Ir3 or Rac-Ir4 as the borate salt. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | In dichloromethane; at 20℃; for 0.166667h; | A suspension of the iridium auxiliary complex Lambda-S4a (98.2 mg, 0.11 mmol), 2,2,2-trifluoro-N-(3-(pyridin-2-yl)-1H-pyrazol-5-yl)acetamide (51.2 mg, 0.12 mmol), and trifluoroaceticacid (11.4 mg, 0.10 mmol) in acetonitrile (18.0 mL) was heated at 65 C for 2 h under argon in the dark. The reaction mixture was concentrated and subjected to a flash silica gel chromatography (MeOH/CH2Cl2 = 1:100) to give the pure yellow solid as a trifluoroacetic salt (115.0 mg, 0.10mmol, 94%). The product was directly suspended in CH2Cl2. Sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate (NaBArF24) (88.6 mg, 0.10 mmol) was added in one portion and the mixture was stirred for 10 minutes at room temperature. The white salt was filtered off. After removal of the solvent in vacuo, the residue was taken up in minimum amount of CHCl3 (about 2.0 mL) and washed with excess water and centrifuged. The organic layer was dried and concentrated in vacuo to give the pure yellow solid as the borate salt (173.7 mg, 0.099 mmol, 90%). The absolute configuration was identified as Lambda by CD spectra (see below). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
94% | In dichloromethane; at 20℃; for 0.166667h; | A suspension of the iridium auxiliary complex Lambda-S4b (46.3 mg, 0.050 mmol), 2,2,2-trifluoro-N-(3-(pyridin-2-yl)-1H-pyrazol-5-yl)acetamide (14.1 mg, 0.055 mmol), and trifluoroacetic acid (3.2 mg, 0.028 mmol) in acetonitrile (5.0 mL) was heated at 65 C for 2 h under argon in the dark. The reaction mixture was concentrated to dryness and subjected to a flash silicagel chromatography (MeOH/CH2Cl2 = 1:80) to give the pure yellow solid as a trifluoroacetic salt (62.5 mg, 0.048 mmol, 95%). The product was directly suspended in CH2Cl2. Sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate (NaBArF24) (42.5 mg, 0.048 mmol) was added in one portion and the mixture was stirred for 10 minutes at room temperature. The white salt was filtered off. After removal of the solvent in vacuo, the residue was taken up in minimum amount of CHCl3 (about 2.0 mL) and washed with excess water and centrifuged. The organic layer was dried and concentrated in vacuo to give the pure yellow solid as the borate salt (92.2 mg, 0.047 mmol, 94%).The absolute configuration was identified as Lambda by CD spectra (see below). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
70% | In dichloromethane; at 20℃; for 2h;Inert atmosphere; Schlenk technique; Glovebox; | Methyl-1-(1-((2,6-diisopropylphenyl) imino) ethyl)-1H-indazole-3-carboxylate (1) (40 mg, 0.105 mmol) and NaBAr'4 (Sodium-tetrakis(3,5-bis(trifluoromethyl) phenyl) borate) (94 mg; 0.105 mmol) were mixed in dichloromethane (20 ml). The suspension was stirred vigorously and a solution of [(eta3-CH3C(CH2)2)NiCl]2 [12] (16 mg, 0.053 mmol) in dichloromethane was added. The mixture was stirred for 2 h at room temperature. The resulting solution was filtered through celite and the product was crystallized adding pentane and storing at -20 C. 4 was obtained as dark orange crystalline solid in 70% yield (100 mg; 0.074 mmol). 1H NMR (400 MHz, CD3Cl, 298 K): delta/ppm = 8.10 (d, J = 8.3 Hz, 1H), 7.69 (m, 1H), 7.67 (s, 8H), 7.49 (m, 2H), 7.46 (s, 4H), 7.38 (t, J = 7.7 Hz, 1H), 7.29 (m, 2H), 4.12 (s, 3H), 3.82 (s, 1H), 3.23 (hept, J = 6.8 Hz, 1H), 2.84 (hept, J = 6.8 Hz, 1H), 2.79 (s, 1H), 2.59 (s, 3H), 2.52 (s, 1H), 2.37 (s, 1H), 2.21 (s, 3H), 1.31 (d, J = 6.8 Hz, 6H), 1.17 (d, J = 6.8 Hz, 3H), 1.07 (d, J = 6.8 Hz, 3H). 13C{1H} NMR (100 MHz, CDCl3, 298 K,): delta/ppm = 161.4 (t, JCF = 49 Hz), 160.7, 159.6, 139.4, 138.8, 134.8, 133.1, 129.0, 127.5, 125.1, 124.8, 124.5, 124.5 (q, JCF = 270 Hz), 117.4, 111.7, 63.2, 61.4, 54.1, 28.9, 28.8, 24.2, 24.0, 23.6, 23.2, 22.5, 17.3. 19F NMR (400 MHz, CDCl3, 298 K): delta/ppm = -62.45. 11B{1H} NMR (400 MHz, CDCl3, 298 K): delta/ppm = -6.65 (nu1/2 ?11 Hz). Elemental analysis (%) C59H46BF24N3NiO2 (M = 1354.48 g/mol): calculated C 52.32, H 3.42, N 3.10; found C 52.12, H 3.50, N 3.05. For additional 2D NMR spectrum and assignments data see Supplementary data. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | In dichloromethane; at 20℃; for 2h;Inert atmosphere; Schlenk technique; Glovebox; | Methyl-1-(1-((2,6-diisopropylphenyl) imino) ethyl)-1H-indazole-5-carboxylate (2) (40 mg, 0105 mmol) and NaBAr'4 (Sodium-tetrakis(3,5-bis(trifluoromethyl) phenyl) borate) (94 mg; 0.105 mmol) were mixed in dichloromethane (20 ml). The suspension was stirred vigorously and a solution of [(eta3-CH3C(CH2)2)NiCl]2 [12] (16 mg, 0.053 mmol) in dichloromethane was added. The mixture was stirred for 2 h at room temperature. The resulting pale orange solution was filtered through celite and the product was crystallized adding pentane and storing at -20 C. 5 was obtained as orange solid in 80% yield (115 mg; 0.085 mmol). 1H NMR (400 MHz, CD3Cl, 298 K): delta/ppm = 8.60 (s, 1H), 8.46 (s, 1H), 8.41 (d, J = 9 Hz, 1H), 7.77 (d, J = 9 Hz, 1H), 7.69 (s, 8H), 7.48 (s, 4H), 7.39 (t, J = 7.8 Hz, 1H), 7.31 (d, J = 9 Hz, 2H), 3.99 (s, 3H), 3.50 (s, 1H), 3.20 (hept, J = 6.8 Hz, 1H), 2.85 (hept, J = 6.8 Hz, 1H'), 2.65 (s, 1H), 2.60 (s, 3H), 2.57 (s, 1H), 2.38 (s, 1H), 2.17 (s, 3H), 1.30 (d, J = 6.8 Hz, 6H), 1.17 (d, J = 6.8 Hz, 3H), 1.08 (d, J = 6.8 Hz, 3H). 13C{1H} NMR (100 MHz, CDCl3, 298 K,): delta/ppm = 164.6, 161.6 (t, JCF = 50 Hz), 160.3, 146.3, 140.0, 139.9, 139.7, 134.8, 134.4, 133.6, 129.0, 128.7, 126.1, 125.0, 124.5 (q, JCF = 270 Hz), 117.4, 111.4, 62.9, 56.8, 52.9, 28.9, 28.7, 24.1, 23.9, 23.5, 23.1, 23.0, 16.4. 19F NMR (400 MHz, CDCl3, 298 K): delta/ppm = -62.40. 11B{1H} NMR (400 MHz, CDCl3, 298 K): delta/ppm = -6.53 (nu1/2 ?11 Hz). Elemental analysis (%) C59H46BF24N3NiO2 (M = 1354.48 g/mol): calculated C 52.32, H 3.42, N 3.10; found C 52.39, H 3.53, N 3.15. For additional 2D NMR spectrum and assignments data see Supplementary data. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
75% | In dichloromethane; at 20℃; for 2h;Inert atmosphere; Schlenk technique; Glovebox; | Methyl-1-(1-((2,6-diisopropylphenyl) imino) ethyl)-1H-indazole-6-carboxylate (3) (40 mg, 0105 mmol) and NaBAr'4 (Sodium-tetrakis(3,5-bis(trifluoromethyl) phenyl) borate) (94 mg; 0.105 mmol) were mixed in dichloromethane (20 ml). The suspension was stirred vigorously and a solution of [(eta3-CH3C(CH2)2)NiCl]2 [12] (16 mg, 0.053 mmol) in dichloromethane was added. The mixture was stirred for 2 h at room temperature. The resulting orange solution was filtered through celite and the product was crystallized adding pentane and storing at -20 C. 6 was obtained as brown orange solid in 75% yield (108 mg; 0.079 mmol). 1H NMR (400 MHz, CD3Cl, 298 K): delta/ppm = 8.35 (s, 1H), 8.26 (s, 1H), 7.96 (d, J = 8.4 Hz, 1H), 7.64 (d, J = 8.7 Hz, 1H), 7.60 (s, 8H), 7.38 (s, 4H), 7.29 (t, J = 7.8 Hz, 1H), 7.20 (m, 2H), 3.83 (s, 3H), 3.40 (s, 1H), 3.11 (hept, J = 6.8 Hz, 1H), 2.76 (hept, J = 6.8 Hz, 1H), 2.57 (s, 1H), 2.57 (s, 3H), 2.49 (s, 1H), 2.30 (s, 1H), 2.07 (s, 3H), 1.20 (d, J = 6.8 Hz, 6H), 1.08 (d, J = 6.8 Hz, 3H), 0.99 (d, J = 6.8 Hz, 3H). 13C{1H} NMR (100 MHz, CDCl3, 298 K,): delta/ppm = 165.7, 161.8 (t, JCF = 50 Hz), 160.5, 145.4, 140.2, 139.9, 139.5, 138.0, 134.9, 134.0, 129.2, 129.2, 127.0, 125.2, 124.7 (q, JCF = 270 Hz), 124.0, 117.6, 113.2, 63.2, 57.1, 53.4, 29.1, 28.9, 24.2, 24.0, 23.6, 23.2, 23.1, 16.6, C23 (n.o.). 19F NMR (400 MHz, CDCl3, 298 K): delta/ppm = -62.37. 11B{1H} NMR (400 MHz, CDCl3, 298 K): delta/ppm = -6.64 (nu1/2 ?11 Hz). Elemental analysis (%) C59H46BF24N3NiO2 (M = 1354.48 g/mol): calculated C 52.32, H 3.42, N 3.10; found C 52.25, H 3.36, N 3.01. For additional 2D NMR spectrum and assignments data see Supplementary data. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | Ligand 14 (30.0 mg, 78.0 mol, 1.00 equiv) and bis(1,5-cyclooctadiene)diiridium(I) dichloride (26.0 mg, 39.0 mol, 0.50 equiv) were dissolved in 3 mL dry CH2Cl2 and refluxed for 2.5 h under argon. Then of NaBArF (90.0 mg, 101 mmol, 1.30 equiv) were added and the mixture stirred for 30 min at rt. Silica gel (2 g) was added and the solvent removed on a rotavap. The immobilized complex was transferred to a silica gel column (2 × 12 cm). The column was flushed with 100 mL of Et2O followed by 100 mL of CH2Cl2. The orange product, eluted by CH2Cl2, was collected in one fraction. The resulting orange solution was concentrated under vacuum and the resulting solid dissolved in CHCl3 and concentrated again to remove residual water. The addition/evaporation of CHCl3 was repeated three times. After drying the residue under high vacuum, 119 mg (78.0 mol, 99% yield) of complex Ir-14-OHwas obtained as an orange solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | General procedure: Ligand 14 (30.0 mg, 78.0 mol, 1.00 equiv) and bis(1,5-cyclooctadiene)diiridium(I) dichloride (26.0 mg, 39.0 mol, 0.50 equiv) were dissolved in 3 mL dry CH2Cl2 and refluxed for 2.5 h under argon. Then of NaBArF (90.0 mg, 101 mmol, 1.30 equiv) were added and the mixture stirred for 30 min at rt. Silica gel (2 g) was added and the solvent removed on a rotavap. The immobilized complex was transferred to a silica gel column (2 × 12 cm). The column was flushed with 100 mL of Et2O followed by 100 mL of CH2Cl2. The orange product, eluted by CH2Cl2, was collected in one fraction. The resulting orange solution was concentrated under vacuum and the resulting solid dissolved in CHCl3 and concentrated again to remove residual water. The addition/evaporation of CHCl3 was repeated three times. After drying the residue under high vacuum, 119 mg (78.0 mol, 99% yield) of complex Ir-14-OHwas obtained as an orange solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
91% | The ligand (120 mg, 237 mumol, 1.00 equiv) and the iridium precursor (87.7 mg, 131 mumol,0.50 equiv) were placed in a J.-Young-tube, the atmosphere was exchanged to argon and2 mL of dry CH2Cl2 were added. The solution was heated to 50 C for 45 min and then cooledto rt. NaBArF (252 mg, 284 mumol, 1.20 equiv) were added and the solution was stirred for30 min. Silica gel was added and the solvent was removed on a rotovap. The complex waspurified by filtration over silica (40 g, h×d, 12 cm×3 cm) using 200 mL of MTBE followed by200 mL of CH2Cl2. The complex was obtained as an orange solid (359 mg, 215 mumol, 91%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
96% | In dichloromethane; at 20℃; for 24h; | 1.51 g (3.9 mmol) imidazolium iodide salt (2c) were dissolved in dichloromethane (14 mL) and 3.46 gNaB[3,5-(CF3)2C6H3]4 (3.9 mmol, 1 eq) was added. After stirring the reaction mixture at roomtemperature for 24 hours the precipitate was filtered off and the remaining solvent was removed. Theproduct was dried in vacuo and obtained as orange solid (4.19 g, 3.7 mmol, 96 %).m.p. 69 C.1H-NMR (300 MHz, CDCl3): delta = 8.19 (s, 1H, NCHN), 7.69 (s, 8H, B-Ar-H), 7.51 (s, 4H, B-Ar-H),7.27 (m, 1H, NCHCHN), 7.13 (d, J = 8.9 Hz, 3H, Ar-H + NCHCHN), 6.99 (d, J = 9.0 Hz, 2H, Ar-H),4.05 (t, J = 7.6 Hz, 2H, NCH2), 3.82 (s, 3H, p-OCH3), 1.85 (m, 2H, NCH2CH2), 1.28 (m, 6H,CH2CH3), 0.85 (t, J = 6.9 Hz, 3H, CH2CH3) ppm.13C-NMR (75.5 MHz, CDCl3): delta = 162.0 (Ci-p-OCH3), 161.6 (q, JB = 50 Hz, 4 Ci-B), 134.7 (s, 8 B-Ar-C), 131.8 (NCHN), 129.1 (qq, JF = 31 Hz, JB = 2.7 Hz, 8 Ci-CF3), 126.0 (Ci-N), 124.5 (q, JF = 272 Hz,CF3), 123.6 (2 Ar-C), 123.0 (NCHCHN), 122.7 (NCHCHN), 117.5 (m, 4 B-Ar-C), 116.0 (2 Ar-C), 55.7 (p-OCH3), 51.0 (NCH2) 30.9 (NCH2CH2), 30.7, 29.8 (alkyl-CH2), 22.1 (CH2CH3), 13.6 (CH2CH3)ppm.19F-NMR (283 MHz, CDCl3): delta = -63.0 (CF3) ppm.Elemental analysis for C48H35N2OBF24: calcd. C = 51.36, H = 3.14, N = 2.50, found C = 51.47, H= 3.17, N = 2.48. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | In dichloromethane; at 20℃; for 24h; | 0.50 g (1.2 mmol) imidazolium bromide salt (2d) were dissolved in dichloromethane (14 mL) and1.08 g NaB[3,5-(CF3)2C6H3]4 (1.2 mmol, 1 eq) was added. After stirring the reaction mixture at roomtemperature for 24 hours the precipitate was filtered off and the remaining solvent was removed. Theproduct was dried in vacuo and obtained as orange liquid (1.38 g, 1.2 mmol, 95 %).DSC: Tgc: -23 C, Trecryst: -68 C, Tmelt: -20 C1H-NMR (300 MHz, CDCl3): delta = 8.21 (s, 1H, NCHN), 7.72 (s, 8H, B-Ar-H), 7.53 (s, 4H, B-Ar-H),7.29 (s, 1H, NCHCHN), 7.16 (d, J = 8.9 Hz, 3H, Ar-H + NCHCHN), 6.98 (d, J = 9.1 Hz, 2H, Ar-H),4.08 (t, J = 7.5 Hz, 2H, NCH2), 3.80 (s, 3H, p-OCH3), 1.87 (m, 2H, NCH2CH2), 1.26 (m, 16H,CH2CH3), 0.87 (t, J = 6.9 Hz, 3H, CH2CH3) ppm.13C-NMR (75.5 MHz, CDCl3): delta = 162.0 (Ci-p-OCH3), 161.6 (q, JB = 50 Hz, 4 Ci-B), 134.8 (s, 8 B-Ar-C), 131.8 (NCHN), 129.0 (qq, JF = 31 Hz, JB = 2.7 Hz, 8 Ci-CF3), 126.0 (Ci-N), 124.5 (q, JF = 272 Hz,CF3), 123.6 (2 Ar-C), 123.0 (NCHCHN), 122.7 (NCHCHN), 117.5 (m, 4 B-Ar-C), 115.9 (2 Ar-C),55.7 (p-OCH3), 51.0 (NCH2) 31.8 (NCH2CH2), 29.8, 29.4, 29.3, 29.2, 29.1, 28.6, 26.1 (alkyl-CH2),22.6 (CH2CH3), 14.0 (CH2CH3) ppm.19F-NMR (283 MHz, CDCl3): delta = -63.0 (CF3) ppm.Elemental analysis for C53H45N2OBF24: calcd. C = 53.37, H = 3.80 N = 2.35, found C = 53.15, H= 3.62, N = 2.54. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
96% | In dichloromethane; at 20℃; for 24h; | 0.51 g (1.5 mmol) imidazolium iodide salt (3a) were dissolved in dichloromethane (14 mL) and 1.37 gNaB[3,5-(CF3)2C6H3]4 (1.5 mmol, 1 eq) was added. After stirring the reaction mixture at roomtemperature for 24 hours the precipitate was filtered off and the remaining solvent was removed. Theproduct was dried in vacuo and obtained as pale yellow solid (1.57 g, 1.5 mmol, 96 %). m.p. 102 C.1H-NMR (300 MHz, CDCl3): delta = 7.97 (s, 1H, NCHN), 7.68 (s, 8H, B-Ar-H), 7.52 (s, 4H, B-Ar-H),7.19 (s, 1H, NCHCHN), 7.16 (t, J = 1.7 Hz, 1H, NCHCHN), 7.02 (s, 2H, Ar-H), 3.83 (s, 3H, NCH3),2.34 (s, 3H, p-CH3), 1.90 (s, 6H, o-CH3) ppm.13C-NMR (75.5 MHz, CDCl3): delta = 161.6 (q, JB = 50 Hz, 4 Ci-B), 142.8 (Ci-p-CH3), 134.7 (s, 8 B-Ar-C+NCHN), 133.6 (2 Ci-o-CH3), 130.3 (2 Ar-C), 129.5 (Ci-N), 128.9 (qq, JF = 32 Hz, JB = 2.7 Hz, 8 Ci-CF3), 124.9 (NCHCHN), 124.5 (q, JF = 273 Hz, CF3), 124.0 (NCHCHN), 117.5 (m, 4 B-Ar-C), 36.7(NCH3), 21.0 (p-CH3), 16.8 (2 o-CH3) ppm.19F-NMR (283 MHz, CDCl3): delta = -63.0 (CF3) ppm.Elemental analysis for C45H29N2BF24: calcd. C = 50.77, H = 2.75, N = 2.63, found C = 50.45, H =2.64, N = 2.60. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
94% | In dichloromethane; at 20℃; for 24h; | 0.57 g (1.5 mmol) imidazolium iodide salt (3b) were dissolved in dichloromethane (14 mL) and 1.35 gNaB[3,5-(CF3)2C6H3]4 (1.5 mmol, 1 eq) was added. After stirring the reaction mixture at roomtemperature for 24 hours the precipitate was filtered off and the remaining solvent was removed. Theproduct was dried in vacuo and obtained as pale yellow solid (1.59 g, 1.4 mmol, 94 %).m.p. 86 C.1H-NMR (300 MHz, CDCl3): delta = 8.01 (s, 1H, NCHN), 7.69 (s, 8H, B-Ar-H), 7.52 (s, 4H, B-Ar-H),7.29 (t, J = 1.7 Hz, 1H, NCHCHN), 7.18 (t, J = 1.7 Hz, 1H, NCHCHN), 7.01 (s, 2H, Ar-H), 4.12 (t, J =7.4 Hz, 2H, NCH2), 2.33 (s, 3H, p-CH3), 1.90 (s, 6H, o-CH3), 1.84 (m, 2H, NCH2CH2), 1.29 (m, 2H,CH2CH3), 0.91 (t, J = 7.2 Hz, 3H, CH2CH3) ppm.13C-NMR (75.5 MHz, CDCl3): delta = 161.6 (q, JB = 50 Hz, 4 Ci-B), 142.8 (Ci-p-CH3), 134.8 (s, 8 B-Ar-C), 133.9 (NCHN), 133.5 (2 Ci-o-CH3), 130.2 (2 Ar-C), 129.5 (Ci-N), 128.8 (qq, JF = 31 Hz, JB = 2.8Hz, 8 Ci-CF3), 124.8 (NCHCHN), 124.5 (q, JF = 272 Hz, CF3), 122.8 (NCHCHN), 117.5 (m, 4 B-Ar-C), 50.8 (NCH2), 31.6 (NCH2CH2), 20.9 (p-CH3), 19.2 (CH2CH3), 16.8 (2 o-CH3), 12.8 (CH2CH3)ppm.19F-NMR (283 MHz, CDCl3): delta = -63.0 (CF3) ppm.Elemental analysis for C48H35N2BF24: calcd. C = 52.10, H = 3.19, N = 2.53, found C = 51.76, H =3.07, N = 2.53. |
Tags: 79060-88-1 synthesis path| 79060-88-1 SDS| 79060-88-1 COA| 79060-88-1 purity| 79060-88-1 application| 79060-88-1 NMR| 79060-88-1 COA| 79060-88-1 structure
[ 455330-37-7 ]
Sodium tetrakis(3,5-bis(trifluoromethyl)phenyl)borate xhydrate
Similarity: 0.98
[ 166328-09-2 ]
Potassium (3,5-bis(trifluoromethyl)phenyl)trifluoroborate
Similarity: 0.61
[ 73852-19-4 ]
(3,5-Bis(trifluoromethyl)phenyl)boronic acid
Similarity: 0.61
[ 166328-08-1 ]
(T-4)-Potassium trifluoro(4-(trifluoromethyl)phenyl)borate
Similarity: 0.59
[ 1423-26-3 ]
(3-(Trifluoromethyl)phenyl)boronic acid
Similarity: 0.59
[ 455330-37-7 ]
Sodium tetrakis(3,5-bis(trifluoromethyl)phenyl)borate xhydrate
Similarity: 0.98
[ 166328-09-2 ]
Potassium (3,5-bis(trifluoromethyl)phenyl)trifluoroborate
Similarity: 0.61
[ 73852-19-4 ]
(3,5-Bis(trifluoromethyl)phenyl)boronic acid
Similarity: 0.61
[ 166328-08-1 ]
(T-4)-Potassium trifluoro(4-(trifluoromethyl)phenyl)borate
Similarity: 0.59
[ 455330-37-7 ]
Sodium tetrakis(3,5-bis(trifluoromethyl)phenyl)borate xhydrate
Similarity: 0.98
[ 166328-09-2 ]
Potassium (3,5-bis(trifluoromethyl)phenyl)trifluoroborate
Similarity: 0.61
[ 73852-19-4 ]
(3,5-Bis(trifluoromethyl)phenyl)boronic acid
Similarity: 0.61
[ 166328-08-1 ]
(T-4)-Potassium trifluoro(4-(trifluoromethyl)phenyl)borate
Similarity: 0.59
[ 1423-26-3 ]
(3-(Trifluoromethyl)phenyl)boronic acid
Similarity: 0.59
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H400 | Very toxic to aquatic life |
H401 | Toxic to aquatic life |
H402 | Harmful to aquatic life |
H410 | Very toxic to aquatic life with long-lasting effects |
H411 | Toxic to aquatic life with long-lasting effects |
H412 | Harmful to aquatic life with long-lasting effects |
H413 | May cause long-lasting harmful effects to aquatic life |
H420 | Harms public health and the environment by destroying ozone in the upper atmosphere |
Sorry,this product has been discontinued.
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