methyl (1S,3S,5R,7R,8S,11S,12S)-5-methoxy-8,11-dimethyl-9-oxotetracyclo[6.6.0.01,11.03,7]tetradecane-12-carboxylate 、
甲基氯化镁 以
乙醚 为溶剂,
反应 3.0h,
以87%的产率得到2-[(1S,3S,5R,7R,8S,11S,12S)-5-methoxy-8,11-dimethyl-9-oxotetracyclo[6.6.0.0(1,11).0(3,7)]tetradecan-12-yl]propan-2-ol