8-Chloro-11-hydroxy-3-((S)-1-hydroxy-3-methyl-butyl)-4-methoxy-9,10-dimethyl-7H-6,12-dioxa-dibenzo[a,d]cycloocten-5-one 、
7-甲基双环[2.2.1]庚烷-7-甲酰氯 在
sodium hydride 作用下,
以
四氢呋喃 为溶剂,
生成 7-Methyl-bicyclo[2.2.1]heptane-7-carboxylic acid 4-chloro-9-((S)-1-hydroxy-3-methyl-butyl)-8-methoxy-2,3-dimethyl-7-oxo-5H,7H-6,12-dioxa-dibenzo[a,d]cycloocten-1-yl ester