Process for the preparation of 7-alkoxyalkyl-1,2,4-triazolo[1,5-A] pyrimidine derivatives
申请人:Knoll Aktiengesellschaft
公开号:US06225469B1
公开(公告)日:2001-05-01
An improved process for the preparation of 1,2,4-triazolo[1,5-a]pyrimidine compounds comprising the reaction involving a compound of formula II
and a compound of formula III
in the presence of an oxidizing agent and a reducing agent, wherein a metal salt is added to form a complex with the oxidized reducing agent produced in the process, and this complex is separated from the desired product.
一种改进的制备1,2,4-三唑[1,5-a]嘧啶化合物的过程,包括在氧化剂和还原剂的存在下,使式II化合物与式III化合物发生反应,其中添加金属盐以形成与过程中产生的氧化还原剂形成的复合物,并将该复合物与所需产品分离。