乙酸酐 、
(3bR,6aS)-1,5,5,6a-Tetramethyl-3a-phenyl-hexahydro-[1,3]dioxolo[4',5':3,4]cyclopenta[1,2-c]isoxazole-3-carboxylic acid ethyl ester 在
palladium on activated charcoal
吡啶 、
氢气 作用下,
生成 Acetic acid (3aS,4aR,7R,7aR,7bR)-2,2,3a,5-tetramethyl-6-oxo-7a-phenyl-octahydro-[1,3]dioxolo[4',5':3,4]cyclopenta[1,2-b]pyrrol-7-yl ester 、
Acetic acid (3aS,4aS,7R,7aS,7bR)-2,2,3a,5-tetramethyl-6-oxo-7a-phenyl-octahydro-[1,3]dioxolo[4',5':3,4]cyclopenta[1,2-b]pyrrol-7-yl ester