| 摘要 |
Disclosed is a one-step method for preparing N-alkylpiperazines which eliminates the initial preparation and isolation of piperazine which comprises reacting a carbonyl compound and an amine in the presence of hydrogen over a metallic hydrogenation-dehydrogenation catalyst from Group VIII of the Periodic Table such as, for example, nickel, copper, cobalt, chromium, palladium, platinum or ruthenium, alone or in combination with other Group VIII metals or transition metals selected from the group consisting of manganese, iron, zinc, copper and chromium.
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