Chloro-acetic acid (4S,6R,9S,10S,12S)-12-(tert-butyl-dimethyl-silanyloxy)-4-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-5-oxa-tricyclo[8.3.0.04,6]tridec-1(13)-ene-2,7-diyn-9-yl ester 在
三氟乙酸 作用下,
以
四氢呋喃 为溶剂,
以99%的产率得到Chloro-acetic acid (4S,6R,9S,10S,12S)-4-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-12-hydroxy-5-oxa-tricyclo[8.3.0.0
4,6]tridec-1(13)-ene-2,7-diyn-9-yl ester