Method for producing heterocyclic acid anhydrides and pyrimidinediones
申请人:The Sherwin-Williams Company
公开号:US03947442A1
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.
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.