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Chemcial Industry and Engineering 2006, Vol. 23 Issue (4) :323-326    DOI:
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Preparation of 4-Amino-2,2,6,6-Tetramethyl-4-Piperidine in Presence of Catalyst
LI Yang,XING Jun-de,WANG Lei,CHEN Li-gong(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China)
(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China

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Abstract In the preparation of 4-amino-2,2,6,6-tetramethyl-4-piperidine from 4-amino-2,2,6,6-tetramethyl-4-piperidone and ammonia,Raney-Co was used as catalyst instead of Raney-Ni and the by-production of 2,2,6,6-tetramethyl-4-piperidinol was avoided.The ratio of cobalt to aluminium and the reaction parameters were investigated systematically.Under optimum conditions,the yield of 4-amino-2,2,6,6-tetramethyl-4-piperidine is up to 98% and the catalysts show good stability.
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Received 2006-07-15; published 2006-07-15
Cite this article:   
LI Yang,XING Jun-de,WANG Lei,CHEN Li-gong.Preparation of 4-Amino-2,2,6,6-Tetramethyl-4-Piperidine in Presence of Catalyst[J]  Chemcial Industry and Engineering, 2006,V23(4): 323-326
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