反应详情

3-[3-Bromo-4-[(1-pyrrolidinyl)methyl]benzyl]-6-methoxy-2-[4-[2-(1-pyrrolidinyl)ethoxy]phenyl]benzo[b]thiophene (0.32 g; 0.53 mmol)(Part A) was dissolved in 9.0 mL of dichloroethane under an argon atmosphere and cooled in an ice-water bath. To this was added ethanethiol (0.78 mL; 10.56 mmol) and 0.70 g (5.28 mmol) of aluminum chloride, and the mixture was stirred in the cold bath for 1 h. Brine (80 mL) was added to the mixture, and stirring was continued while warming to room temperature for 1 h. Extraction was carried out with dichloromethane (4×75 mL). The combined organics were dried by passage through sodium sulfate. The title compound (0.23 g; 74% yield) was isolated as a white crystalline solid by flash chromatography on silica gel eluting with a gradient of EtOAc(100-85%)/Et3N(0-5%)/MeOH(0-10%).

1. temperaturecooled in an ice-water bath
2. stirringstirring
3. extractionExtraction
4. dry with materialThe combined organics were dried by passage through sodium sulfate