Benzoic acid (1S,2S,3S,5S,7S,8S,10R,13S)-10-acetoxy-5-bromo-1-hydroxy-8,12,15,15-tetramethyl-4-methylene-9-oxo-7-(2,2,2-trichloro-ethoxycarbonyloxy)-13-triisopropylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-2-yl ester 在
吡啶 、
四氧化锇 、
sodium hydrogensulfite 作用下,
以
四氢呋喃 为溶剂,
生成 Benzoic acid (1S,2S,3R,4S,5S,7S,8S,10R,13S)-10-acetoxy-5-bromo-1,4-dihydroxy-4-hydroxymethyl-8,12,15,15-tetramethyl-9-oxo-7-(2,2,2-trichloro-ethoxycarbonyloxy)-13-triisopropylsilanyloxy-tricyclo[9.3.1.0
3,8]pentadec-11-en-2-yl ester