tert-butyl (7bR,11aS)-6-(2-formyl-4-methoxyphenyl)-1,2,7b,10,11,11a-hexahydro-4H-pyrido[4,3-b][1,4]thiazepino[6,5,4-hi]indole-9(8H)-carboxylate 、 2-[(7bR,11aS)-1,2,7b,8,9,10,11,11a-octahydro-4H-pyrido[4,3-b][1,4]thiazepino[6,5,4-hi]indol-6-yl]-5-methoxybenzaldehyde, Trifluoroacetic Acid Salt 在
甲基溴化镁 作用下,
以
四氢呋喃 为溶剂,
以0.16 g (89%)的产率得到tert-butyl (7bR,11aS)-6-[2-(1-hydroxyethyl)-4-methoxyphenyl]-1,2,7b,10,11,11a-hexahydro-4H-pyrido[4,3-b][1,4]thiazepino[6,5,4-hi]indole-9(8H)-carboxylate