反应详情

To a solution of (±)-cis-1-(4-dimethylamino-benzoyl)-2-methyl-1,2,3,4-tetrahydro-4-(N-4-chlorophenyl)aminoquinoline (120 mg, 0.29 mmol) in methylene chloride (2 mL) was added diisopropylethylamine (37 mg, 0.051 mL, 0.29 mmol) followed by acetyl chloride (2 mL). The mixture was stirred at rt 4 h. The mixture was concentrated under reduced pressure, dissolved in ethyl acetate, washed with sat. aqueous sodium bicarbonate, brine and dried over sodium sulfate. The drying agent was removed by filtration under reduced pressure, concentrated and purified by silica gel chromatography (100% hexanes-25/75 hexanes/ethyl acetate gradient) to afford pure (±)-cis-N-(4-chloro-phenyl)-N-[1-(4-dimethylamino-benzoyl)-2-methyl-1,2,3,4-tetrahydro-quinolin-4-yl]-acetamide (45 mg, 34%).

1. concentrationThe mixture was concentrated under reduced pressure
2. dissolutiondissolved in ethyl acetate
3. washwashed with sat. aqueous sodium bicarbonate, brine
4. dry with materialdried over sodium sulfate
5. customThe drying agent was removed by filtration under reduced pressure
6. concentrationconcentrated
7. custompurified by silica gel chromatography (100% hexanes-25/75 hexanes/ethyl acetate gradient)