申请人:The Goodyear Tire & Rubber Company
公开号:US03989738A1
公开(公告)日:1976-11-02
3,5-Di-tert alkyl-4-hydroxybenzylpyridinium salts are reacted under basic conditions with compounds containing active methylene groups to form phenolic antioxidants. For example, 3,5-di-tert.butyl-4-hydroxybenzylpyridinium chloride is reacted with 2-nitropropane to produce 1,1-dimethyl-2-(3,5-di tert.butyl-4-hydroxyphenyl)-1-nitroethane.
3,5-二叔丁基-4-羟基苄基吡啶盐在碱性条件下与含有活性亚甲基基团的化合物发生反应,形成酚类抗氧化剂。例如,3,5-二叔丁基-4-羟基苄基吡啶盐与2-硝基丙烷反应,生成1,1-二甲基-2-(3,5-二叔丁基-4-羟基苯基)-1-硝基乙烷。