Purity | Size | Price | VIP Price | USA Stock *0-1 Day | Global Stock *5-7 Days | Quantity | ||||||
{[ item.p_purity ]} | {[ item.pr_size ]} | Inquiry |
{[ getRatePrice(item.pr_usd, 1,1,item.pr_is_large_size_no_price) ]} {[ getRatePrice(item.pr_usd,item.pr_rate,1,item.pr_is_large_size_no_price) ]} |
{[ getRatePrice(item.pr_usd, 1,1,item.pr_is_large_size_no_price) ]} | Inquiry {[ getRatePrice(item.pr_usd,item.pr_rate,item.mem_rate,item.pr_is_large_size_no_price) ]} {[ getRatePrice(item.pr_usd,1,item.mem_rate,item.pr_is_large_size_no_price) ]} | {[ item.pr_usastock ]} | in stock Inquiry - | {[ item.pr_chinastock ]} | {[ item.pr_remark ]} in stock Inquiry - | Login | Inquiry |
Please Login or Create an Account to: See VIP prices and availability
CAS No. : | 191162-40-0 | MDL No. : | MFCD01114668 |
Formula : | C9H10BNO2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | CBPBJUTWVXLSER-UHFFFAOYSA-N |
M.W : | 174.99 | Pubchem ID : | 22733820 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P264-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P362-P403+P233-P501 | 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 |
---|---|---|
With sec.-butyllithium; In tetrahydrofuran; | 36a. 1-methylindol-2-boronic acid 1-Methylindole (0.38 mL, 3 mmol) was dissolved in THF (10 mL), and the solution was cooled to -78 C. To this solution was added sec-butyllithium (1.9 mL, 2.5 mmol), and the reaction mixture was stirred for 20 minutes. Trimethyl borate (0.34 mnL, 3 mmol) was added at -78 C., and the mixture was stirred and allowed to warm to room temperature. The reaction was quenched with water, and the solvents were removed under vacuum. The residue was taken directly to the next step. | |
With sec.-butyllithium; In tetrahydrofuran; | 36a. 1-methylindol-2-boronic acid 1-Methylindole (0.38 mL, 3 mmol) was dissolved in THF (10 mL), and the solution was cooled to -78 C. To this solution was added sec-butyllithium (1.9 mL, 2.5 mmol), and the reaction mixture was stirred for 20 minutes. Trimethyl borate (0.34 mL, 3 mmol) was added at -78 C., and the mixture was stirred and allowed to warm to room temperature. The reaction was quenched with water, and the solvents were removed under vacuum. The residue was taken directly to the next step. | |
With sec.-butyllithium; In tetrahydrofuran; | 36a. 1-Methylindol-2-boronic Acid 1-Methylindole (0.38 mL, 3 mmol) was dissolved in THF (10 mL), and the solution was cooled to -78 C. To this solution was added sec-butyllithium (1.9 mL, 2.5 mmol), and the reaction mixture was stirred for 20 minutes. Trimethyl borate (0.34 mL, 3 mmol) was added at -78 C., and the mixture was stirred and allowed to warm to room temperature. The reaction was quenched with water, and the solvents were removed under vacuum. The residue was taken directly to the next step. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With cesium fluoride;palladium diacetate; DavePhos; In 1,4-dioxane; at 20 - 100℃; for 26h; | Intermediate 53Ethyl 3-[[(frans-4-methylcyclohexyl)carbonyl](1 -methylethyl)amino]-1 -[4-(1 -methyl-1 H- indol-2-yl)phenyl]-1 H-pyrazole-4-carboxylateIntermediate 5 (200 mg), (1 -methyl-1 H-indol-2-yl)boronic acid (110 mg) cesium fluoride (191 mg) palladium (II) acetate (18.8 mg) and 2-dicyclohexylphosphino-2'-(N,N-dimethylamino)- biphenyl (50 mg) were dissolved in dioxane (4 mL) and stirred at room temperature for 24 h. The reaction was then heated at 100C for 2 h. After cooling to room temperature the mixture was diluted with water and extracted with ethyl acetate. The organic extract was washed with sodium bicarbonate solution brine, dried (Na2SO4) and concentrated. This residue was purified by ISCO companion silica chromatography eluting with a gradient of ethyl acetate in cyclohexane to give the title compound. MS calcd for (C32H38N4O3 + H)+: 527 MS found (electrospray): (M+H)+ = 527 |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With potassium phosphate; 1-hydroxy-7-aza-benzotriazole;tris-(dibenzylideneacetone)dipalladium(0); tricyclohexylphosphine; In 1,4-dioxane; water; at 150℃; for 0.5h;microwave irradiation; | To a mixture of (1 -methyl- lH-indol-2-yl)boronic acid (37.7 mg mg, 0.215 mmol),2-(4-iodophenyl)-N- {( 1 R)- 1 -[5-(2,2,2-trifluoroethoxy)pyridin-2-yl]ethyl } acetamide (50.0 mg, 0.108 mmol), tricyclohexylphosphine (0.7 mg, 0.003 mmol), l-hydroxy-7-azabenzotriazole (101 mg, 0.744 mmol) and Pd2(dba)3 (1 mg, 0.001 mmol) were added dioxane (0.4 mL) and a solution of K3PO4 in η2O (0.2 mL, 1.27 M). The resulting solution was heated in microwave at 150 0C for 0.5 hr. The reaction was completed and diluted with EtOAc. The water later was removed. The remaining organic phase was dried over Na2SO4, filtered and concentrated. The residue was purified by reverse-phase HPLC to give the product as a TFA salt (40 mg, 79%). 1H NMR (CDCl3, 400 MHz) δ 8.22 (dd, J= 0.8, 2.8 Hz, IH), 7.63 (d, J= 8.0 Hz, IH), 7.49 (dd, J= 2.0, 6.4 Hz, 2H), 7.38 (d, J= 8.0 Hz, 2H), 7.37 (d, J= 6.4, IH), 7.27-7.19 (m, 2H), 7.14 (t, J= 8.0 Hz, IH), 6.80 (d, J= 7.2 Hz, IH), 6.56 (s, IH), 5.14 (quintet, J= 7.2 Hz, IH), 4.38 (q, J= 8.0 Hz, 2H), 3.75 (s, 3H), 3.65 (s, 2H), 1.44 (d, J= 6.8 Hz, 3H); HRMS (ES) [M+l]+ calcd for C26H25F3N3O2: 468.1893, Found: 468.1889. FLIPR alphall IP = 36 nM. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
54% | 1-Methylindole (200 mg, 1.52 mmol) was dissolved in THF (5 mL), and the solution was added with tert-butyllithium-pentane solution (1.48 mol/L, 1.23 mL, 1.82 mmol) by drops at -78 C for 5 minutes under argon atmosphere. The mixture was warmed to room temperature, followed by stirring for 30 minutes. The mixture was cooled to -78 C again, added with triisopropyl borate (0. 526 mL, 2.28 mmol) and warmed from -78 C to room temperature for 1 hour. The reaction mixture was added with saturated aqueous ammonium chloride solution (5 mL) and 10% aqueous potassium hydrogensulfate solution (5 mL) to adjust the pH to 2, followed by stirring at room temperature for 30 minutes. The mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. The residue was suspended in diisopropyl ether, then the solid was collected by filtration, washed with diisopropyl ether and then dried under reduced pressure to obtain Compound BK (144 mg, yield 54%). ESI-MS m/z: 174 [M-H]-; 1H-NMR (CDCl3)δ(ppm): 4.01 (s, 3H), 4.73 (br s, 2H), 6.97 (d, J = 0.7 Hz, 1H), 7.17 (m, 1H), 7.27-7.42 (m, 3H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium phosphate;tris-(dibenzylideneacetone)dipalladium(0); In toluene; at 85℃; for 3h; | A flask is charged with 3-amino-5-bromopyridine (0.173 g, 0.950 mmol), Λ/-methyl-indole boronic acid (0.262 g, 1.425 mmol), s-Phos (0.030 g, 0.071 mmol), finely crushed potassium phosphate (0.407 g, 1.900 mmol) and toluene (4 ml_). After degassing for 30 min, Pd2dba3 (0.018 g, 0.019 mmol) is added, the flask is flushed with nitrogen and the mixture is heated to 85 0C. After 3 h, the mixture is allowed to cool to r.t., diluted with ethyl acetate and filtered through a plug of silica gel (elution with ethyl acetate). The <n="133"/>residue is purified by silica gel flash chromatography (heptane-ethyl acetate, 3:7 to 0:1 ) to give 2-(5-amino-pyridin-3-yl)-1-methyl-1 H-indole as an off-white powder. 1H NMR (400 MHz, DMSO-cfe) δ ppm 3.74 (s, 3 H), 5.49 (s, 2 H), 6.56 (s, 1 H), 7.05 - 7.09 (m, 1 H), 7.09 - 7.10 (m, 1 H), 7.17 - 7.21 (m, 1 H), 7.49 (d, J=7.6 Hz, 1 H), 7.57 (d, J=7.6 Hz, 1 H), 7.94 (d, J=2.0 Hz, 1 H), 7.99 (d, J=2.5 Hz, 1 H). MS (ESI) m/z 224 (M+H)+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With potassium phosphate;tetrakis(triphenylphosphine) palladium(0); In N,N-dimethyl-formamide; at 120℃; for 1h;Inert atmosphere; Microwave irradiation; | A microwave reactor is charged with 1-methyl-indole-2-boronic acid (1.18 g, 6.78 mmol), (3-bromo-pyridin-4-yl)-methanol (0.850 g, 4.52 mmol), potassium phosphate (1.91 g, 9.04 mmol) and DMF (10 ml_). The reactor is evacuated and filled with nitrogen thrice and Pd(PPh3)4 (0.261 g, 0.226 mmol) is added. The reactor is evacuated and filled with nitrogen thrice again. The mixture is heated to 120 C for 1 h under microwave irradiation, then diluted with ethyl acetate and washed with water thrice. The organic layer is dried over sodium sulfate and concentrated in vacuo to give a residue which is purified by silica gel flash chromatography (dichloromethane-methanol, 19:1 ) to afford [3- (1-methyl-1 H-indol-2-yl)-pyridin-4-yl]-methanol as a white solid. 1H NMR (400 MHz, MeOD) δ ppm 3.58 (s, 3 H), 4.57 (s, 2 H), 6.54 (s, 1 H), 7.14 (t, J=7.5 Hz, 1 H), 7.27 (ddd, J=7.6, 1.1 Hz, 1 H), 7.46 (d, J=8.3 Hz, 1 H), 7.62 (d, J=7.8 Hz, 1 H), 7.81 (d, J=5.1 Hz, 1 H), 8.49 (s, 1 H), 8.67 (d, J=5.1 Hz, 1 H). HRMS (ESI) m/z 239.1177 [(M+H)+ Calcd for C15H15N2O: 239.1184]. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
93% | In dimethyl sulfoxide; benzene; for 3h;Inert atmosphere; Reflux; | To form protected organoboronic acid 2j, the general procedure was followed using N-methylindole-2-boronic acid (3.00 g, 17.1 mmol), N-methyliminodiacetic acid (2.77 g, 18.9 mmol), benzene (60 mL) and DMSO (30 mL). The mixture was refluxed for 3 h. The product was eluted with Et2θ:MeCN 2:1 to afford the boronate ester 2j as a colorless crystalline solid (4.55 g, 93%). TLC (EtOAc) Rf = 0.39, visualized by UV (254 nm) and KMnO4. 1H-NMR (500 MHz, CD3CN) δ 7.57 (app dt, / = 8.0, 1.0 Hz, 1 H), 7.39 (dd, / = 8.0, 1.0 Hz, 1 H), 7.20 (ddd, / = 8.0, 7.0, 1.0 Hz, 1 H), 7.04 (ddd, / = 8.0, 7.0, 1.0 Hz, 1 H), 6.66 (d, / = 1.0 Hz, 1 H), 4.07 (d, / = 1 7 Hz, 2H), 3.92 (d, / = 1 7 Hz, 2H), 3.82 (s, 3H), 2.56 (s, 3H). 13C-NMR (125 MHz, CD3CN) δ 169.4, 141.3, 129.0, 122.9, 121.5, 120.0, 1 1 1.4, 1 10.6, 62.3, 47.8, 32.8. 11 B-NMR (96 MHz, CD3CN) δ 10.8. HRMS (EI +) Calculated for C14H15BN2O4 (M) + : 286.1 125, Found: 286.1 127. IR (thin film, cm -1) 3000, 2948, 1765, 1653, 1617, 1508, 1456, 1509, 1456, 1360, 1332, 1276, 1236, 1 161 , 1037, 998, 962, 897, 859. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium carbonate;tetrakis(triphenylphosphine) palladium(0); In 1,2-dimethoxyethane; water; at 20℃;Inert atmosphere; | Production Example 1; 2-( 1 -Methyl- lH-indol-2-yl)- 1 ,3-thiazole-5-carbaldehyde; A dimethoxyethane solution (15 mL) of commercially available ( 1 -methyl- lH-indol- 2-yl)boronic acid (328 mg), commercially available 2-bromo-l,3-thiazole-5-carbaldehyde (300 mg), tetrakis(triphenylphosphine)palladium(0) (181 mg), and 1 M sodium carbonate aqueous solution (4.7 mL) was stirred overnight at room temperature in a nitrogen atmosphere. The dimethoxyethane was distilled off under reduced pressure, and the resulting residue was extracted with chloroform, and dried over anhydrous magnesium sulfate. The solvent was distilled off under reduced pressure, and the resulting residue was purified by silica gel column chromatography (hexane:ethyl acetate = 3:2) to give the title compound (160 mg) as a pale yellow solid. | |
With sodium carbonate;tetrakis(triphenylphosphine) palladium(0); In 1,2-dimethoxyethane; water; at 20℃;Inert atmosphere; | A dimethoxyethane solution (15 mL) of commercially available <strong>[191162-40-0](1-methyl-1H-indol-2-yl)boronic acid</strong> (328 mg), commercially available 2-bromo-1,3-thiazole-5-carbaldehyde (300 mg), tetrakis(triphenylphosphine)palladium(0) (181 mg), and 1 M sodium carbonate aqueous solution (4.7 mL) was stirred overnight at room temperature in a nitrogen atmosphere. The dimethoxyethane was distilled off under reduced pressure, and the resulting residue was extracted with chloroform, and dried over anhydrous magnesium sulfate. The solvent was distilled off under reduced pressure, and the resulting residue was purified by silica gel column chromatography (hexane:ethyl acetate=3:2) to give the title compound (160 mg) as a pale yellow solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium carbonate;tetrakis(triphenylphosphine) palladium(0); In ethanol; water; toluene; at 100℃;Inert atmosphere; | Example 2; 2- { 5-Fluoro-4-[(4-methylpiperazin- 1 -yl)methyl]pyridin-2-yl} - 1 -methyl- 1 H-indole fumarate; The compound (850 mg) obtained in Production Example 2, commercially available (1 -methyl- lH-indol-2-yl)boronic acid (671 mg), and tetrakistriphenylphosphine palladium (403 mg) were added to a mixed solution of toluene (30 mL)-ethanol (15 mL)-2 M sodium carbonate aqueous solution (7 mL). After flushing the reaction system with argon gas, the mixture was stirred at 1000C over night. After cooling, the reaction mixture was extracted with ethyl acetate. The organic layer was then washed with water and saturated brine, and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography (chloroform: methanol = 100:1 to 70:1) to obtain a free form of the title compound (284 mg) as a yellow oily liquid. At room temperature, an ethanol solution (8 mL) of fumaric acid (97 mg) was gradually added to a stirred ethyl acetate solution (40 mL) of the oily liquid obtained as above. After 1-hour stirring at room temperature, the precipitate was filtered off, and thoroughly washed with ethyl acetate. The resulting solid was dried under reduced pressure to give the title compound (250 mg) as a white solid. 1Η-NMR (400 MHz, DMSO-d6, δppm): 2.26 (3H, s), 2.40-2.60 (8H, m), 3.67 (2H, s), 4.00 (3H, s), 6.59 (2H, s), 6.92 (IH, s), 7.07-7.11 (IH, m), 7.21-7.25 (IH, m), 7.52 (IH, d, J = 8.0 Hz), 7.61 (IH, d, J = 8.0 Hz), 7.90 (IH, d, J = 6.0 Hz), 8.64 (IH, s). ESI-MS Found: m/z 339[M+H]+ | |
With sodium carbonate;tetrakis(triphenylphosphine) palladium(0); In ethanol; water; toluene; at 100℃;Inert atmosphere; | A dimethoxyethane solution (15 mL) of commercially available <strong>[191162-40-0](1-methyl-1H-indol-2-yl)boronic acid</strong> (328 mg), commercially available 2-bromo-1,3-thiazole-5-carbaldehyde (300 mg), tetrakis(triphenylphosphine)palladium(0) (181 mg), and 1 M sodium carbonate aqueous solution (4.7 mL) was stirred overnight at room temperature in a nitrogen atmosphere. The dimethoxyethane was distilled off under reduced pressure, and the resulting residue was extracted with chloroform, and dried over anhydrous magnesium sulfate. The solvent was distilled off under reduced pressure, and the resulting residue was purified by silica gel column chromatography (hexane:ethyl acetate=3:2) to give the title compound (160 mg) as a pale yellow solid. |