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CAS No. : | 1083326-55-9 | MDL No. : | MFCD12923396 |
Formula : | C17H20BClN2O4S | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 394.68 | Pubchem ID : | - |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330 | UN#: | |
Hazard Statements: | H302-H315-H319 | Packing Group: | |
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 |
---|---|---|
40% | With potassium carbonate;tetrakis(triphenylphosphine) palladium(0); In 1,4-dioxane; water; at 105℃; for 18h; | b) lambda/-[5-(2-amino-5-pyrimidinyl)-2-chloro-3-pyridinyl]benzenesulfonamide; To a 25 mL seal tube (t=g) was added N-[2-chloro-5-(4,4,5,5-tetramethyl- l,3,2-dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (131 mg, 0.33 mmol), 2- amino-5-bromopyrimidine (57 mg, 0.33 mmol), and potassium carbonate (138 mg, 1 <n="62"/>mmol) in 1,4-dioxane (8 ml) and water (4 ml). The reaction mixture was degassed by nitrogen, and tetrakis(triphenylphosphine)palladium(0) (14.64 mg, 0.013 mmol) was added. The tube was sealed and the reaction mixture was heated to 105 0C for 18 hr . Water (1 mL) followed by ethyl acetate (15 mL) and acetic acid (0.5 mL) were added. Organic layer was separated, washed with sat NaCl, dried over MgSO4, filtered and evaporated. Product purified by prep. HPLC (0.1% formic acid, 5 to 95% water :acetonitrile). Fractions were combined and evaporated. N-[5-(2-amino-5- pyrimidinyl)-2-chloro-3-pyridinyl]benzenesulfonamide (48 mg, 40 % yield) was isolated as a white solid. IH NMR (400 MHz, DMSO-J6) delta ppm 7.01 (s, 2 H) 7.58 (t, J=7.58 Hz, 2 H) 7.62 - 7.72 (m, 1 H) 7.72 - 7.80 (m, 2 H) 7.85 (d, J=2.27 Hz, 1 H) 8.49 (d, J=2.27 Hz, 1 H) 8.53 (s, 2 H) 10.38 (br. s., 1 H) LC-MS (m/e) = 362.0 (MH+). Rt = 1.19 min |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium carbonate;dichloro-1,1'-bis(diphosphino)ferrocene-palladium(II); In 1,4-dioxane; water; at 100℃; for 20h; | Example 67; JV-[2-Chloro-5-(4-oxo- 1 ,4-dihydro-6-quinazolinyl)-3-pyridinyl]benzenesulfonamidea) lambda/-[2-chloro-5-(6-quinazolinyl)-3-pyridinyl]benzenesulfonamide; A slurry of N-(5-bromo-2-chloro-3-pyridinyl)benzenesulfonamide (493 mg, 1.418 mmol), bis(pinacolato)diboron (375 mg, 1.477 mmol), potassium acetate (232 mg, 2.363 mmol) and PdCl2(dppf)-CH2Cl2 (48.2 mg, 0.059 mmol) in anhydrous 1,4- dioxane (9.60 mL) was heated at 100 0C for 6 h. The reaction was cooled slightly then treated with <strong>[89892-21-7]6-bromoquinazoline</strong> (247 mg, 1.182 mmol), 2 M aqueous sodium carbonate (2.363 mL, 4.73 mmol) and another portion of PdCl2(dppf)-CH2Cl2 (48.2 mg, 0.059 mmol) then heated at 100 0C for a further 20 h. The reaction was cooled to room temperature then concentrated under reduced pressure. The resulting crude residue was slurried in ethyl acetate then treated with decolorizing charcoal and <n="81"/>anhydrous sodium sulfate. Filtered through a short pad of silica then the filtrate was evaporated under reduced pressure. The residue was purified by silica gel chromatography with 40% hexanes in ethyl acetate. The combined, desired fractions were evaporated to give the product (236 mg, 49.8%) as a white solid. MS(ES)+ m/e 396.7 [M+H]+. IH NMR (400 MHz, DMSO-J6) delta ppm 7.60 (t, J=7.58 Hz, 3 H) 7.66 - 7.74 (m, 1 H) 7.78 (d, J=7.07 Hz, 2 H) 7.77 (s, 1 H) 8.12 - 8.21 (m, 3 H) 8.34 (dd, J=8.84, 2.27 Hz, 1 H) 8.51 (d, J=2.02 Hz, 1 H) 8.76 (d, J=2.27 Hz, 1 H) 9.36 (s, 1 H) 9.70 (s, 1 H) 10.54 (s, 1 H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
56% | With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium hydrogencarbonate In 1,4-dioxane; water at 100℃; for 1h; Inert atmosphere; Microwave irradiation; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate; In 1,4-dioxane; at 25 - 60℃; for 0.05h; | (3) <strong>[1111638-02-8]2-methyl-5-bromo-7-azaindole</strong> (0.15 g, 0.72 mmol) and tetrakis(triphenylphosphine)palladium (0.017 g, 0.014 mmol), potassium carbonate (0.20 g, 1.44 mmol) Dissolved in 1,4-dioxane (1.2mL) to prepare reaction solution 4. The flow rate (0.1mL / min) set by the intelligent numerical control sampler was passed through a polytetrafluoroethylene tube with an inner diameter of 1000 mum and the aforementioned The second effluent was simultaneously mixed into a third three-way mixer (ambient temperature: 25 C), and then entered into a polytetrafluoroethylene tube with an inner diameter of 1000 mum at a set temperature control (60 C) under its own pressure. The Suzuki coupling reaction between the second effluent product and 5-bromo-7-azaindole was completed within the set residence time t3 (3min), Obtaining the final effluent containing the target product N-{2-chloro-5-[2-methyl-1H-pyrrolo(2,3-b)pyridin-5-yl]pyridin-3-yl}benzenesulfonamide. (4) The above effluent, the solvent was distilled off under reduced pressure, and then separated through a silica gel column by column chromatography (DCM / MeOH, 3: 1), and then the solvent was distilled off under reduced pressure to obtain the target product N-{2-chloro-5-[2-methyl-1H-pyrrolo(2,3-b)pyridin-5-yl]pyridin-3-yl}benzenesulfonamide, yield 81%, purity 99% |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate; In 1,4-dioxane; at 25 - 80℃; for 0.0166667h; | (3) 5-bromopyridopyrazole (0.14 g, 0.72 mmol) and tetrakis(triphenylphosphine)palladium (0.017 g, 0.014 mmol), potassium carbonate (0.20 g, 1.44 mmol) Dissolved in 1,4-dioxane (1.2mL) to prepare reaction solution 4. The flow rate (0.1mL / min) set by the intelligent numerical control sampler is simultaneously entered into a three-way mixer (ambient temperature: 25 C) through a polytetrafluoroethylene tube with an inner diameter of 1,000 mum and the second effluent. Then, under its own pressure, it enters a polytetrafluoroethylene tube with an internal diameter of 1000 mum at a set temperature control (80 C).The Suzuki coupling reaction between the second effluent product and 5-bromo-7-azaindole was completed within the set residence time t3 (1min), and the target product N-{2-chloro-5-[1H-pyrazolo(3,4-b)pyridin-5-yl]pyridin-3-yl}benzenesulfonamide. (4) The above effluent, the solvent was distilled off under reduced pressure, and then separated through a silica gel column by column chromatography (DCM / MeOH, 3: 1), and then the solvent was distilled off under reduced pressure to obtain the target product N-{2-chloro-5-[1H-pyrazolo(3,4-b)pyridin-5-yl]pyridin-3-yl}benzenesulfonamide, yield 84%, purity 98%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
43% | With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate In 1,4-dioxane; water at 100℃; for 12h; Inert atmosphere; | General Procedure for the Synthesis of Compounds 5-24. General procedure: To a 25mL three neck reaction bottle, H3 (0.2g, 0.51mmol, 1.0 equiv.), compounds M5 - M24 (1.05 equiv.), potassium carbonate (0.18g, 1.28mmol), PdCl2(dppf) (0.019g, 0.026mmol) in 1,4-dioxane (6.0mL), and H2O (1.5mL) were added. The reaction mixture was stirred at 100°C for 12h under a nitrogen atmosphere. After cooling to room temperature, the solution was adjusted to pH 5-6 with 1M hydrochloric acid, extracted with CH2Cl2 three times. The organic phase was washed with brine, dried over Na2SO4, and concentrated under vacuum and purified by silica gel column chromatography (EtOAc/petroleum ether, 1:5 to 1:1 or CH2Cl2/EtOAc, 10:1 to 1:1) to afford the pure product. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
39% | With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate; In 1,4-dioxane; water; at 100℃; for 12h;Inert atmosphere; | General procedure: To a 25mL three neck reaction bottle, H3 (0.2g, 0.51mmol, 1.0 equiv.), compounds M5 - M24 (1.05 equiv.), potassium carbonate (0.18g, 1.28mmol), PdCl2(dppf) (0.019g, 0.026mmol) in 1,4-dioxane (6.0mL), and H2O (1.5mL) were added. The reaction mixture was stirred at 100C for 12h under a nitrogen atmosphere. After cooling to room temperature, the solution was adjusted to pH 5-6 with 1M hydrochloric acid, extracted with CH2Cl2 three times. The organic phase was washed with brine, dried over Na2SO4, and concentrated under vacuum and purified by silica gel column chromatography (EtOAc/petroleum ether, 1:5 to 1:1 or CH2Cl2/EtOAc, 10:1 to 1:1) to afford the pure product. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
36% | With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate In 1,4-dioxane; water at 100℃; for 12h; Inert atmosphere; | General Procedure for the Synthesis of Compounds 5-24. General procedure: To a 25mL three neck reaction bottle, H3 (0.2g, 0.51mmol, 1.0 equiv.), compounds M5 - M24 (1.05 equiv.), potassium carbonate (0.18g, 1.28mmol), PdCl2(dppf) (0.019g, 0.026mmol) in 1,4-dioxane (6.0mL), and H2O (1.5mL) were added. The reaction mixture was stirred at 100°C for 12h under a nitrogen atmosphere. After cooling to room temperature, the solution was adjusted to pH 5-6 with 1M hydrochloric acid, extracted with CH2Cl2 three times. The organic phase was washed with brine, dried over Na2SO4, and concentrated under vacuum and purified by silica gel column chromatography (EtOAc/petroleum ether, 1:5 to 1:1 or CH2Cl2/EtOAc, 10:1 to 1:1) to afford the pure product. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
30% | With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate In 1,4-dioxane; water at 100℃; for 12h; Inert atmosphere; | General Procedure for the Synthesis of Compounds 5-24. General procedure: To a 25mL three neck reaction bottle, H3 (0.2g, 0.51mmol, 1.0 equiv.), compounds M5 - M24 (1.05 equiv.), potassium carbonate (0.18g, 1.28mmol), PdCl2(dppf) (0.019g, 0.026mmol) in 1,4-dioxane (6.0mL), and H2O (1.5mL) were added. The reaction mixture was stirred at 100°C for 12h under a nitrogen atmosphere. After cooling to room temperature, the solution was adjusted to pH 5-6 with 1M hydrochloric acid, extracted with CH2Cl2 three times. The organic phase was washed with brine, dried over Na2SO4, and concentrated under vacuum and purified by silica gel column chromatography (EtOAc/petroleum ether, 1:5 to 1:1 or CH2Cl2/EtOAc, 10:1 to 1:1) to afford the pure product. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
25% | With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate In 1,4-dioxane; water Inert atmosphere; Reflux; | N-(2-chloro-5-(4-morpholinocinnolin-6-yl)pyridin-3-yl)benzenesulfonamide General procedure: Synthesized following General Procedure C. Compound 39a (0.56 g, 1.4 mmol), compound 34a (0.38 g, 1.3 mmol), anhydrous K2CO3 (0.35 g, 2.5 mmol) solved in water (2 mL), PdCl2(dppf) (50 mg, 0.068 mmol) and 1,4-dioxane (15 mL) were stirred overnight at reflux under N2 atmosphere. Then the mixture was diluted with EA (30 mL) and purified by column chromatography to get 1 (0.25 g, 41%). |