4-{(E)-3-[3-(Bis-dimethylamino-methylene)-cyclopenta-1,4-dienyl]-2,3-diphenyl-allylidene}-cyclopenta-2,5-diene-1,2-dicarbonitrile 以
二氯甲烷 为溶剂,
反应 4.0h,
以11%的产率得到4-[5-(Bis-dimethylamino-methylene)-2,3-diphenyl-5H-pentalen-1-ylidene]-cyclopenta-2,5-diene-1,2-dicarbonitrile