C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
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
Baumeister Peter
Da Roit Giovanni
Dubs Paul
Vignali Graziano
Baumeister Peter
Ciba Specialty Chemicals Holding Inc.
Da Roit Giovanni
Dubs Paul
Fetherstonhaugh & Co.
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