申请人:Lonza AG
公开号:US05840892A1
公开(公告)日:1998-11-24
A novel process for the preparation of substituted pyrimidine derivatives of the general formula: ##STR1## in which a halopyrimidine is reacted in the presence of a sulfinate with a compound selected from the series: ##STR2## The compounds of the general formula I are precursors of, for example, compounds with herbicidal activity.
一种用于制备通式为:##STR1## 的取代嘧啶衍生物的新工艺,在该工艺中,卤代嘧啶在亚磺酸盐的存在下与选自以下系列化合物之一发生反应:##STR2## 通式I的化合物是例如具有除草活性的化合物的前体。