Process for the preparation of bis(2,2,6,6-tetramethyl-4-piperid

Details Process for the preparation of bis(2,2,6,6-tetramethyl-4-piperid Process for the preparation of bis(2,2,6,6-tetramethyl-4-piperid

1989-03-27

1990-05-08

Bond, Robert T.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D40112

Patent

active

049239929

ABSTRACT:
A one step process for the preparation of bis(2,2,6,6-tetramethyl-4-piperidyl)amine by reacting 2,2,6,6-tetramethyl-4-piperidone or 2,2,6,6-tetramethyl-4-piperidone x H.sub.2 O with ammonia and hydrogen in the presence of a hydrogenation catalyst, characterized in that the molar ratio of 2,2,6,6-tetramethyl-4-piperidone versus ammonia is between 1:0.4 and 1:0.8.

REFERENCES:
patent: 3684765 (1972-08-01), Matsui et al.
patent: 3904581 (1975-09-01), Murayama et al.
patent: 4369321 (1983-01-01), Cantatore
patent: 4526971 (1985-07-01), Disteldorf et al.
patent: 4533688 (1985-08-01), Yoda et al.
patent: 4605743 (1986-08-01), Malz, Jr. et al.
Methoden der Organischen Chemie, Houben-Weyl, 4th Ed., vol. IV/1c, pp. 440-442, (1980).

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