Acetic acid (4bS,7S,8S,8aR)-8-allyl-7-formyl-7-methyl-4b,5,6,7,8,8a,9,10-octahydro-phenanthren-2-yl ester 在
palladium on activated charcoal 4 A molecular sieve 、
氢气 作用下,
以
二氯甲烷 为溶剂,
生成
Acetic acid (4bS,7S,8S,8aR)-7-methyl-7-{[(E)-4-nitro-phenylimino]-methyl}-8-propyl-4b,5,6,7,8,8a,9,10-octahydro-phenanthren-2-yl ester