、 triethylammonium 5-[(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)(methylthio)methyl]-1,3-dimethylpyrimidine-2,4,6-trionate 在
三乙胺 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
以75%的产率得到triethylammonium 5-[(1,3-dimethyl-2,4,6-trioxo-tetrahydropyrimidin-5(6H)-ylidene)-(methylthio)methyl]-1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-olate