Process for Hydrogenating Nitriles to Primary Amines or Aminonitriles and Catalysts Suitable Therefor
申请人:Hahn Thilo
公开号:US20080306305A1
公开(公告)日:2008-12-11
A process for hydrogenating oligonitriles which have at least two nitrile groups in the presence of a catalyst which, before commencement of the hydrogenation, is pretreated by contacting with a compound A which is selected from alkali metal carbonates, alkaline earth metal carbonates, ammonium carbonate, alkali metal hydrogencarbonates, alkaline earth metal hydrogencarbonates, ammonium hydrogencarbonate, alkaline earth metal oxocarbonates, alkali metal carboxylates, alkaline earth metal carboxylates, ammonium carboxylates, alkali metal dihydrogen phosphates, alkaline earth metal dihydrogen phosphates, alkali metal hydrogen phosphates, alkaline earth metal hydrogen phosphates, alkali metal phosphates, alkaline earth metal phosphates and ammonium phosphate, alkali metal acetates, alkaline earth metal acetates, ammonium acetate, alkali metal formates, alkaline earth metal formates, ammonium formate, alkali metal oxalates, alkaline earth metal oxalates and ammonium oxalate.
一种在存在催化剂的情况下对至少具有两个腈基团的寡聚腈进行氢化的方法,其中在开始氢化之前,催化剂经过与化合物A接触进行预处理,该化合物A选自碱金属碳酸盐、碱土金属碳酸盐、铵碳酸盐、碱金属氢碳酸盐、碱土金属氢碳酸盐、铵氢碳酸盐、碱土金属氧碳酸盐、碱金属羧酸盐、碱土金属羧酸盐、铵羧酸盐、碱金属二氢磷酸盐、碱土金属二氢磷酸盐、碱金属氢磷酸盐、碱土金属氢磷酸盐、碱金属磷酸盐、碱土金属磷酸盐和铵磷酸盐、碱金属醋酸盐、碱土金属醋酸盐、铵醋酸盐、碱金属甲酸盐、碱土金属甲酸盐、铵甲酸盐、碱金属草酸盐、碱土金属草酸盐和铵草酸盐。