(4aS,9aR)-2,2-Dimethyl-4a,5,6,8a,9,9a-hexahydro-4H-1,3-dioxa-4b-aza-fluorene-5-carboxylic acid ethyl ester 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 8.0h,
生成 ethyl (4aS,6R,9aR,10aR)-2,2-dimethyl-4a,6,7,8,9,9a,10,10a-octahydro-4H-[1,3]dioxino[4,5-b]indolizine-6-carboxylate 、 ethyl (4aS,6R,9aS,10aR)-2,2-dimethyl-4a,6,7,8,9,9a,10,10a-octahydro-4H-[1,3]dioxino[4,5-b]indolizine-6-carboxylate