methyl (3aSR,4RS,11bSR)-3-benzyl-2,3,3a,4,5,7-hexahydro-4-[(2-ξ-(1,3-dioxolan-2-yl)-4-methoxy)-1-butyl]-1H-pyrrolo[2,3-d]carbazole-6-carboxylate 在
sodium tetrahydroborate 作用下,
以
溶剂黄146 为溶剂,
以91%的产率得到7-Benzyl-9-(2-[1,3]dioxolan-2-yl-4-methoxy-butyl)-5,6,7,8,9,10,11,12-octahydro-7,12-diaza-cyclonona[a]indene-11-carboxylic acid methyl ester