反应详情

To a solution of compound of example 223 (100 mg, 0.295 mmol) in dichloromethane (3 mL), pyridine (70.53 mg, 0.885 mmol) was added and stirred for 5 min followed by addition of benzoyl bromide (81.96 mg, 0.443 mmol). The reaction mixture was stirred for about 16 h. After completion of the reaction, the solvent was evaporated to obtain the title compound, which was directly used for the preparation of compound of example 305.

1. stirringThe reaction mixture was stirred for about 16 h
2. customAfter completion of the reaction
3. customthe solvent was evaporated