Acetic acid (2R,3S,4R,5R,9S,10S)-4,10-diacetoxy-2-((S)-2-acetoxy-5-benzyloxy-pentyl)-3-benzyloxy-9-methyl-1,7-dioxa-spiro[5.5]undec-5-yl ester 在
氢气 作用下,
生成 Acetic acid (2R,3S,4R,5R,9S,10S)-3,4,10-triacetoxy-2-{(S)-2-acetoxy-9-[(1R,3S,5S,7R)-1,3-dimethyl-7-((2S,8R,9R)-8,9,10-trihydroxy-2-methyl-decyl)-6,8-dioxa-bicyclo[3.2.1]oct-5-yl]-nonyl}-9-methyl-1,7-dioxa-spiro[5.5]undec-5-yl ester