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.

乙炔氰与蒽环加反应合11,12-氰-9,10-氢-9,10-亚乙烯基蒽(4),4子4自身加聚合制备一种全新凹型四氮杂口卜啉结构化合物。