반응 #2495255
ord-c475ddef6721466bbd8ff9e7bfc19f9c
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후처리
- 1기타to afford Solution A52
- 2온도cooled to room temperature
- 3기타to afford Solution B52
- 4workup.ADDITIONSolution B52 was added to Solution A52
- 5workup.STIRRINGthe resulting mixture was stirred at 25° C. for 1 h
- 6여과The mixture was filtered
- 7기타to remove the insoluble solid
- 8기타the filtrate was purified by Waters automated flash system (column: Xterra 30 mm×100 mm, sample manager 2767, pump 2525, detector: ZQ mass and UV 2487, solvent system: acetonitrile and 0.1% ammonium hydroxide in water)
실험 절차
To a suspension of 60% sodium hydride (800 mg, 20 mmol) in N,N-dimethylformamide (4 mL) was added cyclopropanesulfonic acid amide (2.4 g, 20 mmol) at room temperature. The resulting mixture was stirred at 25° C. for 1 h to afford Solution A52. A solution of 4,4-dimethyl-2-(3-pyrrolidin-1-yl-phenyl)-1,2,3,4-tetrahydro-quinoline-6-carboxylic acid (1 g, 2.86 mmol) and 1,1′-carbonyldiimidazole (930 mg, 5.71 mmol) in N,N-dimethylformamide (3 mL) was stirred at 70° C. for 1 h and cooled to room temperature to afford Solution B52. Solution B52 was added to Solution A52 and the resulting mixture was stirred at 25° C. for 1 h. To the reaction mixture was added water (0.5 mL). The mixture was filtered to remove the insoluble solid, and the filtrate was purified by Waters automated flash system (column: Xterra 30 mm×100 mm, sample manager 2767, pump 2525, detector: ZQ mass and UV 2487, solvent system: acetonitrile and 0.1% ammonium hydroxide in water) afforded cyclopropanesulfonic acid [4,4-dimethyl-2-(3-pyrrolidin-1-yl-phenyl)-1,2,3,4-tetrahydro-quinoline-6-carbonyl]-amide (107 mg, 8%) as a brown solid: MS (ESI) M+1=454.2.