2-[(1S,2S,4R,8S,9S,11S,12R,13S,19S)-12,19-difluoro-11-hydroxy-9,13-dimethyl-16-oxo-6-propyl-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-8-yl]-2-oxoethyl N-[2-(pyridin-2-yldisulfanyl)ethyl]carbamate 在
DL-dithiothreitol 、
三乙胺 作用下,
以
氯仿 为溶剂,
反应 4.0h,
以83%的产率得到2-[(1S,2S,4R,8S,9S,11S,12R,13S,19S)-12,19-difluoro-11-hydroxy-9,13-dimethyl-16-oxo-6-propyl-5,7-dioxapentacyclo[10.8.0.0
2,9.0
4,8.0
13,18]icosa-14,17-dien-8-yl]-2-oxoethyl N-(2-sulfanylethyl)carbamate