| 摘要 |
The invention relates to a method for hydrogenating oligonitriles containing at least two nitrile groups in the presence of a catalyst which is pre-treat ed by being contacted with a compound A prior to the hydrogenation process, sai d compound A being selected among alkali metal carbonates, alkaline earth meta l carbonates, ammonium carbonate, alkali metal hydrogen carbonates, alkaline earth metal hydrogen carbonates, ammonium hydrogen carbonate, 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, alkali ne earth metal acetates, ammonium acetate, alkali metal formates, alkaline eart h metal formates, ammonium formate, alkali metal oxalates, alkaline earth meta l oxalates, and ammonium oxalate.
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