(5R,8S,10R,11R)-tert-butyl 13-benzyl-4-(benzyloxy)-5-(hydroxymethyl)-3-methoxy-2-methyl-7-oxo-5,7,8,9,10,11-hexahydro-8,11-epiminoazepino[1,2-b]isoquinoline-10-carboxylate 在
palladium on activated charcoal 、
氢气 作用下,
以
溶剂黄146 为溶剂,
以92%的产率得到(5R,8R,10S,11R)-tert-butyl 4-hydroxy-5-(hydroxymethyl)-3-methoxy-2-methyl-7-oxo-5,7,8,9,10,11-hexahydro-8,11-epiminoazepino[1,2-b]isoquinoline-10-carboxylate