申请人:E. I. Du Pont de Nemours & Co.
公开号:US03937696A1
公开(公告)日:1976-02-10
After an azonitrile is prepared by coupling an aminonitrile in the presence of a hypochlorite, the reaction mixture is acidified to a pH of 4 or less and an alkali metal, alkaline earth metal or quaternary ammonium nitrite, sulfite, bisulfite or thiosulfate, sulfur dioxide, nitrogen oxide, oxalic acid, formaldehyde or hydroxylamine is added as a reducing agent.
在存在次氯酸盐的条件下,通过偶联氨基腈制备氨基腈。然后,将反应混合物酸化至pH值小于等于4,并添加碱金属、碱土金属或季铵亚硝酸盐、亚硫酸盐、亚硫酸氢盐或硫代硫酸盐、二氧化硫、氮氧化物、草酸、甲醛或羟胺作为还原剂。