4-Thiophen-2-yl-8-[1-thiophen-2-yl-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28%的产率得到4-Thiophen-2-yl-8-[1-thiophen-2-yl-meth-(E)-ylidene]-5,6,7,8-tetrahydro-quinazolin-2-ylamine