Reactions of 1,3-dimethyl-2,4-dioxo-1H,3H-pyrano[4,3-d]pyrimidinium salts with azomethines have been studied. The reactions lead to 1,3-dimethyl-2,4-dioxo-1H,3H-pyrido-[4,3-d]pyrimidinium salts and aromatic aldehydes.
研究了 1,3-二甲基-2,4-二氧代-1H,3H-
吡喃并[4,3-d]
嘧啶鎓盐与偶氮
金属的反应。反应生成了 1,3-二甲基-2,4-二氧代-1H,3H-
吡喃并[4,3-d]
嘧啶鎓盐和芳香醛。