Kalium-<4-<1,4-dihydro-4-(4-oxo-2,5-cyclohexadien-1-yliden)-2,6-diphenyl-1-pyridinyl>phenolat> 、
1,4-Bis(4-hydroxyphenyl)-2,6-diphenylpyridinium-perchlorat 在
三乙胺 作用下,
以
丙酮 为溶剂,
反应 0.5h,
以97%的产率得到4-[4-(4-Oxo-cyclohexa-2,5-dienylidene)-2,6-diphenyl-4H-pyridin-1-yl]-phenolate1,4-bis-(4-hydroxy-phenyl)-2,6-diphenyl-pyridinium;