Process for the preparation of...

C - Chemistry – Metallurgy – 07 – D

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260/278.1

C07D 211/58 (2006.01)

Patent

CA 1336604

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 H2O 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.

595710

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