This invention relates to a process for the preparation of triazine carbamates by reacting a mixture of an aminotriazine A having at least two amino groups per molecule, an organic carbonate C, and a base B selected from the group consisting of alkoxides, and arylalkoxides of metals M, which may be alkali or earth alkali metals, and a solvent S which is a monohydric alcohol solvent R
2
OH or a mixture of solvents that comprises a monohydric alcohol R
2
OH, and a monohydric alcohol R
3
OH, or a mixture of solvents that comprises a monohydric alcohol R
2
OH with a further solvent selected from the group consisting of ether, alcohol, and hydrocarbon solvents, and adding to the products of the said reaction, an acid or a solution of an acid in a solvent.
这项发明涉及一种通过将至少每个分子具有两个
氨基基团的
氨基三嗪A与有机
碳酸酯C和从含有
金属M的烷氧基和芳基烷氧基组成的群中选择的碱B的混合物反应来制备三嗪
氨基甲酸酯的方法,其中
金属M可以是碱
金属或碱土
金属,以及一种溶剂S,该溶剂是一种一元醇溶剂R2OH或包括一元醇R2OH和一元醇R3OH的溶剂混合物,或包括一元醇R2OH与来自醚、醇和烃溶剂组成的群中选择的其他溶剂的溶剂混合物,并向所述反应产物中添加酸或溶剂中的酸溶液。