[2-[(8S,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3,11-dioxo-1,2,6,7,8,9,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] 4-[[4-oxo-4-(2,2,2-trifluoroethoxy)butyl]disulfanyl]butanoate 、
秋水仙碱苷 在
lipase from Candida antarctica 作用下,
以
丙酮 为溶剂,
反应 12.0h,
以31%的产率得到[(2R,3S,4S,5R,6S)-6-[[(7S)-7-acetamido-1,2,10-trimethoxy-9-oxo-6,7-dihydro-5H-benzo[a]heptalen-3-yl]oxy]-3,4,5-trihydroxyoxan-2-yl]methyl 4-[[4-[2-[(8S,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3,11-dioxo-1,2,6,7,8,9,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethoxy]-4-oxobutyl]disulfanyl]butanoate