(4aR,4bR,5R,10bS,12aR)-15-(cyclopropylmethyl)-9-methoxy-1,4a,4b,5,6,12a-hexahydro-4H-5,10b-(epiminoethano)-1,4-ethanochrysen-12(11H)-one 2,2,2-trifluoroacetate 在
palladium 10% on activated carbon 、
氢气 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以46%的产率得到(4aR,4bR,5R,10bS,12aR)-15-(cyclopropylmethyl)-9-methoxy-2,3,4,4a,5,6,11,12a-octahydro-1H-5,10b-(epiminoethano)-1,4-ethanochrysen-12(4bH)-one trifluoroacetate