Preparation of N-(aminoalkyl)piperazine

Details Preparation of N-(aminoalkyl)piperazine Preparation of N-(aminoalkyl)piperazine

1975-06-02

1977-09-20

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D29512, C07D24100

Patent

active

040496570

ABSTRACT:
An improved process for selectively preparing an N-(aminoalkyl)piperazine compound is disclosed wherein piperazine is contacted with a primary or secondary amino alkanol compound in the presence of a catalytically effective amount of a phosphorus-containing substance at a temperature of from about 250.degree. to about 350.degree. C under a pressure sufficient to maintain the mixture essentially in liquid phase and the N-(aminoalkyl)piperazine is then recovered from the resultant reaction mixture. In a preferred embodiment piperazine is contacted with monoethanolamine to produce N-(2-aminoethyl)-piperazine.

REFERENCES:
patent: 3121115 (1964-02-01), Meuly

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