公开(公告)号：US10071972B2

公开(公告)日：2018-09-11

申请号：US15505337

申请日：2015-09-07

Applicant: ALLNEX IP S.à.r.l.

Inventor： Lawrence Flood

IPC: C07D251/70 ,  C07D251/54 ,  C07D251/24 ,  C07D251/18

CPC classification number: C07D251/24 ,  C07D251/18 ,  C07D251/54 ,  C07D251/70

Abstract: 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 R2OH or a mixture of solvents that comprises a monohydric alcohol R2OH, and a monohydric alcohol R3OH, or a mixture of solvents that comprises a monohydric alcohol R2OH 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.