4-(3,4-Dimethoxy-phenyl)-8-[1-(3,4-dimethoxy-phenyl)-meth-(E)-ylidene]-3,4,5,6,7,8-hexahydro-1H-quinazolin-2-ylideneamine; hydrochloride 在
氢氧化钾 、 potassium hexacyanoferrate(III) 作用下,
以29%的产率得到(E)-8-(3,4-dimethoxybenzylidene)-4-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydroquinazolin-2-amine