申请人:American Cyanamid Company
公开号:US04395577A1
公开(公告)日:1983-07-26
A method for the preparation of 3-chloromethyl derivatives of 4-alkylnitrobenzenes from the corresponding amidomethyl derivatives with phosphorus oxychloride or with phosphorous oxychloride and inert solvents. This process also relates to 3-chloromethyl-4-alkylnitrobenzenes which are useful intermediates for the preparation of certain substituted 2,6-dinitroaniline pre-emergence herbicides.
一种制备3-
氯甲基衍
生物的方法,该衍
生物是通过将相应的酰胺甲基衍
生物与氧化
氯磷或氧化
氯磷和惰性溶剂反应制得的4-烷基
硝基苯。该过程还涉及3-
氯甲基-4-烷基
硝基苯,这是制备某些取代的
2,6-二硝基苯胺预出苗
除草剂的有用中间体。