(1S,2S,3R,4R,4aS,10bR)-5-Benzyl-2,3,4-tris-benzyloxy-1,4a-dihydroxy-1,3,4,4a,5,10b-hexahydro-2H-phenanthridin-6-one 在
盐酸 、 sodium cyanoborohydride 作用下,
以
甲醇 为溶剂,
以91%的产率得到(1S,2S,3S,4S,4aR,10bS)-5-Benzyl-2,3,4-tris-benzyloxy-1-hydroxy-1,3,4,4a,5,10b-hexahydro-2H-phenanthridin-6-one