(1S,4R,8S,9R,10R,11R,12S)-8-(tert-Butyl-dimethyl-silanyloxy)-1,10-dihydroxy-11-(4-methoxy-benzyloxy)-9,15,15-trimethyl-5-methylene-tricyclo[10.2.1.04,9]pentadecan-2-one 在
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
以75%的产率得到(1S,2R,4R,6R,7R,8S,12R,15S)-8-[tert-butyl(dimethyl)silyl]oxy-15-hydroxy-4-(4-methoxyphenyl)-7,18,18-trimethyl-11-methylidene-3,5-dioxatetracyclo[13.2.1.02,6.07,12]octadecan-14-one