3-(tert-Butyl-dimethyl-silanyloxy)-7-[4-(tert-butyl-dimethyl-silanyloxy)-phenyl]-6,7,8,9-tetrahydro-5-oxa-9-aza-benzocycloheptene 、
1-Bromomethyl-3-(2-chloro-ethoxy)-benzene 在
三乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
生成 3-(tert-Butyl-dimethyl-silanyloxy)-7-[4-(tert-butyl-dimethyl-silanyloxy)-phenyl]-9-[3-(2-chloro-ethoxy)-benzyl]-6,7,8,9-tetrahydro-5-oxa-9-aza-benzocycloheptene