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Tris(pyrazol-1-yl)methane metal complexes for catalytic mild oxidative functionalizations of alkanes, alkenes and ketones
Coordination Chemistry Reviews ( IF 20.6 ) Pub Date : 2014 , DOI: 10.1016/j.ccr.2014.01.013
Luísa M.D.R.S. Martins , Armando J.L. Pombeiro

This work concerns recent advances (since 2005) in the oxidative functionalization of alkanes, alkenes and ketones, under mild conditions, catalyzed by homoscorpionate tris(pyrazol-1-yl)methane metal complexes. The main types of such homogeneous or supported catalysts are classified, and the critical analysis of the most efficient catalytic systems in the different reactions is presented. These reactions include the mild oxidation of alkanes (typically cyclohexane as a model substrate) with hydrogen peroxide (into alkyl hydroperoxides, alcohols, and ketones), the hydrocarboxylation of gaseous alkanes (with carbon monoxide and potassium peroxodisulfate) into the corresponding Cn+1 carboxylic acids, as well as the epoxidation of alkenes and the Baeyer–Villiger oxidation of linear and cyclic ketones with hydrogen peroxide into the corresponding esters and lactones. Effects of various reaction parameters are highlighted and the preferable requirements for a prospective homogeneous or supported C-scorpionate-M-based catalyst in oxidative transformations of those substrates are identified.

中文翻译:

三(吡唑-1-基)甲烷金属配合物,用于烷烃,烯烃和酮的催化轻度氧化官能化

这项工作涉及(自2005年以来)烷烃,烯烃和酮在温和条件下被同蝎子的三(吡唑-1-基)甲烷金属络合物催化的氧化官能化的最新进展。对这类均相或负载型催化剂的主要类型进行了分类,并对不同反应中最有效的催化体系进行了严格的分析。这些反应包括用过氧化氢将烷烃(通常以环己烷为模型底物)轻度氧化(转化为烷基氢过氧化物,醇和酮),将气态烷烃(用一氧化碳和过二硫酸钾)加氢羧化为相应的C n +1羧酸,以及烯烃的环氧化以及线性和环状酮与过氧化氢的Baeyer-Villiger氧化成相应的酯和内酯。强调了各种反应参数的影响,并确定了在这些底物的氧化转化中对预期的均相或负载型C-蝎子-M基催化剂的优选要求。
更新日期:2017-01-31
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