Process of preparing selective mixtures of piperazine and ethyle

Details Process of preparing selective mixtures of piperazine and ethyle Process of preparing selective mixtures of piperazine and ethyle

1979-09-24

1980-11-18

Tovar, Jose

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

564511, C07D29502

Patent

active

042347300

ABSTRACT:
Covers a process for preparing a mixture of piperazine and ethylenediamine by the hydrogenation reaction of monoethanolamine and ammonia utilizing a nickel-copper-chromium catalyst. The improvement of the invention involves predetermining the ratio of ethylenediamine to piperazine in the product mix by varying the hydrogen feed rate. Increasing said feed rate causes said ratio to decrease.

REFERENCES:
patent: 3037023 (1962-05-01), Moss et al.

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