Catalytic Oxidation of Alkanes and Alkenes by H
<sub>2</sub>
O
<sub>2</sub>
with a μ‐Oxido Diiron(III) Complex as Catalyst/Catalyst Precursor
作者:Biswanath Das、Afnan Al‐Hunaiti、Matti Haukka、Serhiy Demeshko、Steffen Meyer、Albert A. Shteinman、Franc Meyer、Timo Repo、Ebbe Nordlander
DOI:10.1002/ejic.201500576
日期:2015.7
activity in cyclohexene oxidation (TOF = 72 h(-1)) were detected. Partial retention of configuration (RC = 53%) in cis- and trans-1,2-dimethylcyclohexane oxidation, moderate 3 degrees/2 degrees selectivity (4.1) in adamantane oxidation, and the observation of a relatively high kinetic isotope effect for cyclohexane oxidation (KIE = 3.27) suggest partial metal-based oxidation, probably in tandem with free-radical
吡啶基不对称配体 3-[(3-[bis(pyridin-2-ylmethyl)amino]methyl}-2-hydroxy-5-methylbenzyl) 锂盐的新型 mu-oxo diiron(III) 络合物(pyridin2-ylmethyl)amino]propanoate (LiDPCPMPP), [Fe-2(mu-O)(LiDPCPMPP)(2)](ClO4)(2),已被合成和表征。已经通过使用 CH3COOH/H2O2 (1:1) 作为氧化系统研究了配合物催化几种烷烃和烯烃氧化的能力。检测到环己烷氧化中的中等活性 (TOF = 33 h(-1)) 和环己烯氧化中的良好活性 (TOF = 72 h(-1))。顺式和反式 1,2-二甲基环己烷氧化中构型的部分保留 (RC = 53%),金刚烷氧化中的中等 3 度/2 度选择性 (4.1),以及观察到相对高的环己烷氧化动力学同位素效应(KIE