Acetic acid (E)-(2S,5S,6S,19S)-19-(tert-butyl-dimethyl-silanyloxy)-23-(tert-butyl-dimethyl-silanyloxymethyl)-6-methyl-10,15-dioxa-tricyclo[19.2.2.02,6]pentacosa-1(24),12,21(25),22-tetraen-5-yl ester 在
palladium on activated charcoal
氢气 、
sodium methylate 、
sodium carbonate 作用下,
以
甲醇 、
乙酸乙酯 为溶剂,
生成 (2S,5S,6S,19S)-19-(tert-Butyl-dimethyl-silanyloxy)-23-(tert-butyl-dimethyl-silanyloxymethyl)-6-methyl-10,15-dioxa-tricyclo[19.2.2.0
2,6]pentacosa-1(24),21(25),22-trien-5-ol