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A continuous process for the production of 2,2,6,6-tetramethylpiperidin-4-ol catalyzed by Cu–Cr/γ-Al2O3

Paper ID Volume ID Publish Year Pages File Format Full-Text
50868 46819 2010 4 PDF Available
Title
A continuous process for the production of 2,2,6,6-tetramethylpiperidin-4-ol catalyzed by Cu–Cr/γ-Al2O3
Abstract

A continuous process was established for the production of 2,2,6,6-tetramethylpiperidin-4-ol over Cu–Cr/γ-Al2O3 in a fixed-bed reactor. The catalyst was characterized by X-ray diffraction, X-ray photoelectron spectroscopy and temperature-programmed reduction. Cu0 was believed to be the active site for the hydrogenation, and the doped chromium was supposed to exert a positive impact on the dispersion of active species. The catalyst and parameters of hydrogenation were optimized. Thus, 2,2,6,6-tetramethylpiperidin-4-ol was obtained in the yield of 90% from 2,2,6,6-tetramethylpiperidin-4-one (purity, 95%) under the optimum reaction conditions.

Keywords
2,2,6,6-tetramethylpiperidin-4-ol; 2,2,6,6-tetramethylpiperidin-4-one; Hydrogenation; Cu–Cr/γ-Al2O3
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A continuous process for the production of 2,2,6,6-tetramethylpiperidin-4-ol catalyzed by Cu–Cr/γ-Al2O3
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 11, Issue 11, 10 June 2010, Pages 960–963
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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