(E)-3-Phenyl-3-[(4R,5S)-2,2,5-trimethyl-5-(2-oxo-ethyl)-[1,3]dioxolan-4-yl]-acrylic acid ethyl ester 在
palladium on activated charcoal
吡啶 、
氢气 、
potassium carbonate 作用下,
以
苯 为溶剂,
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