申请人:The Dow Chemical Company
公开号:US04562009A1
公开(公告)日:1985-12-31
Novel halonitriles, e.g., 2,4-dichloro-2-fluoro-5,5-dimethoxy-4-methylpentanenitrile, method of preparation and use to make halopyridines, some of which are novel, e.g., 2-chloro-3-fluoro-5-methylpyridine. These compounds are intermediates in the preparation of pharmaceutical and agricultural products.
新型卤代腈化合物,例如2,4-二氯-2-氟-5,5-二甲氧基-4-甲基戊腈,其制备方法及用于制备卤代吡啶,其中一些是新型的,例如2-氯-3-氟-5-甲基吡啶。这些化合物是制备药物和农业产品的中间体。