Dicyano 9,10 dihydro 9,10 ethenoanthracene(4) was synthesized by addition reation of acetylenedinitrile and anthracene. Concave tetrazaporphyrin has been obtained from the four molecules of 4.
乙炔二氰与蒽环加成反应成了11,12-二氰-9,10-二氢-9,10-亚乙烯基蒽(4),4分子4自身加成备了种全四氮杂口卜啉结构化物。