[3-cyano-2-(5-cyclohepta-1,3,6-trien-1-ylnaphthalen-1-yl)-4,5-diphenylcyclopenta-2,4-dien-1-ylidene]methylideneazanide;tetramethylazanium 在
trityl tetrafluoroborate 作用下,
生成
2-(5-Cyclohepta-2,4,6-trienylidene-5H-naphthalen-1-ylidene)-4,5-diphenyl-cyclopenta-3,5-diene-1,3-dicarbonitrile