Citation: TANG Liming, HUANG Meiyu, JIANG Yingyan. HYDROGENATION OF PHENOL AND CRESOLS CATALYZED BY CHITOSAN SUPPORTED PALLADIUM COMPLEX AT MILD CONDITIONS[J]. Chinese Journal of Polymer Science, ;1996, 14(1): 57-62. shu

HYDROGENATION OF PHENOL AND CRESOLS CATALYZED BY CHITOSAN SUPPORTED PALLADIUM COMPLEX AT MILD CONDITIONS

Received Date: 16 September 1994

A natural polymer catalyst, sillca-supported chitosan palladium complex (abbr. asSiO2-CS-Pd) was found to catalyze the hydrogenation of phenol and cresols to correspond-ing cyclohexanones in high yield and 100% selectivity at 70℃ and 1.01325×105 Pa mildconditions. N/Pd molar ratio in the complex, temperature and solvents have much infiuenceon the reaction. The reactivity order of reactants was found to be: phenol >m->p->o-cresol. The catalyst is stable during the reaction and could be repeatedly used for several times without much decrease in its catalytic activity.
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