申请人:The Sherwin-Williams Company
公开号:US03947416A1
公开(公告)日:1976-03-30
A method for producing heterocyclic acid anhydrides and pyrimidinediones from the corresponding acids, dicarboxamides, 2,3-and 3,4-pyridinedicarboxamides, and N-monosubstituted 2,3-and 3,4-pyridinedicarboxamides, in which the aforesaid compounds are reacted with lead tetra-acetate in the presence of a suitable anhydrous inert solvent.
一种从相应的酸、二羧酰胺、2,3-和3,4-吡啶二羧酰胺以及N-单取代的2,3-和3,4-吡啶二羧酰胺中制备杂环酸酐和嘧啶二酮的方法,其中上述化合物在适当无水惰性溶剂的存在下与醋酸四铅反应。