Process for the preparation of a 2-amino-5,8-alkoxy[1,2,4]triazolo[1,5-c]pyrimidine by reaction of a 5-halo-8-alkoxy[1,2,4]triazolo[1,5-c]pyrimidin-2-amine with an alkali metal alkoxide in an alcoholic solvent
申请人:Dow AgroSciences, LLC
公开号:EP2851367A1
公开(公告)日:2015-03-25
5-Substituted-8-alkoxy[1,2,4]triazolo[1,5-c]pyrimidin-2-amines are manufactured from 2-substituted-4-amino-5-methoxypyrimidines in a process that avoids hydrazine and cyanogen halide.
5-取代的-8-烷氧基[1,2,4]三唑并[1,5-c]嘧啶-2-胺是由 2-取代的-4-氨基-5-甲氧基嘧啶通过避免使用肼和卤化氰的工艺制造而成。