氢解
催化作用
化学
反应性(心理学)
环己烷
钯
路易斯酸
有机化学
溶剂
多相催化
位阻效应
医学
病理
替代医学
作者
Maria Grazia Musolino,Francesco Mauriello,C. Busacca,R. Pietropaolo
标识
DOI:10.1016/j.cattod.2013.11.068
摘要
a b s t r a c t A catalyst, Pd/B(OH)3, based on the cheap and environmentally friendly support, was synthesized by using the impregnation method with the aim of investigating the Lewis acid effect on hydrogenation and hydrogenolysis reactions. The sample was reduced at 353 K under hydrogen flowing and characterized by various physico-chemical techniques, such as BET, TPR, XRD, TEM, FESEM and XPS. Its catalytic performance, in hydrogenation reactions of carbonyls and hydrogenolysis of aromatic alcohols, carried out at 0.1 MPa H2 pressure and 323 K, was investigated. It was demonstrated that Pd/B(OH)3 is active using cyclohexane as solvent and the reactivity depends on the steric hindrance of the substrate. Conversely, in ethanol, boric acid dissolves and does not influence catalytic reactions.
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