Acetic acid (1S,2R,3R,4aS,7S,8R,8aS)-3-acetoxy-7-((S)-2-acetoxy-1-methyl-ethyl)-8-hydroxy-1,4a-dimethyl-decahydro-naphthalen-2-yl ester 在
吡啶 、
甲基磺酰氯 作用下,
生成
Acetic acid (1S,2R,3R,4aS,7R)-3-acetoxy-7-((S)-2-acetoxy-1-methyl-ethyl)-1,4a-dimethyl-1,2,3,4,4a,5,6,7-octahydro-naphthalen-2-yl ester