Cyclopentylidene-diphenyl-ammonium; perchlorate 、 2,4-Diphenyl-8-[1-phenylamino-meth-(E)-ylidene]-5,6,7,8-tetrahydro-chromenylium; perchlorate 在
sodium acetate 、
乙酸酐 作用下,
反应 0.17h,
以24%的产率得到8-[1-{2-Diphenylamino-3-[1-(2,4-diphenyl-6,7-dihydro-5H-chromen-8-yl)-meth-(E)-ylidene]-cyclopent-1-enyl}-meth-(E)-ylidene]-2,4-diphenyl-5,6,7,8-tetrahydro-chromenylium; perchlorate