formamide 、 2-Amino-5-[(E)-2-(4-chloro-phenyl)-vinyl]-7,7-dimethyl-6,7-dihydro-benzo[b]thiophene-3-carboxylic acid amide 在
sodium ethanolate 作用下,
生成
6-[(E)-2-(4-Chloro-phenyl)-vinyl]-8,8-dimethyl-7,8-dihydro-benzo[4,5]thieno[2,3-d]pyrimidin-4-ylamine