(S)-2-Methyl-butyric acid (1S,3R,4S,4aR,7S,8S,8aR)-4-(tert-butyl-dimethyl-silanyloxy)-8-[2-((4R,6R)-6-carboxymethyl-2,2-dimethyl-[1,3]dioxan-4-yl)-ethyl]-3,7-dimethyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-yl ester 在
氢氟酸 作用下,
以
乙腈 为溶剂,
生成
(S)-2-Methyl-butyric acid (1S,3R,4S,4aR,7S,8S,8aR)-4-hydroxy-8-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-3,7-dimethyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-yl ester