反应详情

A solution of D5 (100 mg) and benzoyl chloride (298 mg; 2.12 mmol) in pyridine (12 ml) is stirred at RT for 20 h and then at 80° C. for 2 h. After an aqueous work-up the desired compound is obtained by flash chromatography on silica gel eluted with EtOAc/MeOH (99.5:0.5).