Liquid-phase catalytic hydrogenation of 1, 4-cyclohexanedione: activity and selectivity

M Bonnet, P Geneste, M Rodriguez

Index: Bonnet, Marc; Geneste, Patrick; Rodrigues, Marcel Journal of Organic Chemistry, 1980 , vol. 45, # 1 p. 40 - 43

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Citation Number: 14

Abstract

Liquid-phase catalytic hydrogenation of 1, 4-cyclohexanedione was carried out by using various metal catalysts on SiOz (Ni, Cu, Pd, Pt, Ir, Ru) in 2-propanol as solvent under low hydrogen pressure, 6.2 bar, and 20 “C. A kinetically consecutive process, diketone-ketol- diol, is obtained, and 4-hydroxycyclohexanone may be obtained in a single step at a yield of 70% by utilizing Ru/SiOz. The rate and the selectivity for the first step of the reaction giving ...

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