9-{(E)-4-[(2R,3S,4aS,7S,8S,8aR)-3,8-Dihydroxy-2-((1S,2S)-2-hydroxy-1-methyl-propyl)-hexahydro-pyrano[4,3-b]pyran-7-yl]-3-methyl-but-2-enoyloxy}-nonanoic acid methyl ester 在
subtilisin Carlsberg (EC 3.4.21.14, ex Sigma)
sodium hydroxide 、
水 作用下,
反应 144.0h,
生成
9-{(E)-4-[(2R,3S,4aS,7S,8S,8aR)-3,8-Dihydroxy-2-((1S,2S)-2-hydroxy-1-methyl-propyl)-hexahydro-pyrano[4,3-b]pyran-7-yl]-3-methyl-but-2-enoyloxy}-nonanoic acid