8-[(2E,4E)-5-(2,4-Diphenyl-6,7-dihydro-5H-chromen-8-yl)-penta-2,4-dien-(E)-ylidene]-2,4-diphenyl-5,6,7,8-tetrahydro-chromenylium; perchlorate 、
甲胺 以
甲醇 、
乙腈 为溶剂,
反应 0.5h,
以76%的产率得到1-methyl-2,4-diphenyl-8-<5-(2,4-diphenyl-6,7-dihydro-5H-1-benzopyran-8-ylidene)-1,3-pentadien-1-ylidene>-5,6,7,8-tetrahydroquinolinium perchlorate