5,5-dimethyl-1,3-bis(2,4,6-trimethylphenyl)-2,4-dihydropyrimidin-3-ium-2-id-6-one 在
phosphorus 作用下,
以
乙醚 为溶剂,
反应 2.0h,
以74.8%的产率得到5,5-Dimethyl-1,3-bis(2,4,6-trimethylphenyl)-2-[2,3,4-tris[[5,5-dimethyl-4-oxo-1,3-bis(2,4,6-trimethylphenyl)-1,3-diazinan-2-ylidene]phosphanyl]tetraphosphetan-1-yl]phosphanylidene-1,3-diazinan-4-one