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一种带有半不稳定型NNN钳形配体的铁配合物用于有机羰基化合物催化硅氢化反应的合成与表征

Synthesis and characterization of an iron complex bearing a hemilabile NNN-pincer for catalytic hydrosilylation of organic carbonyl compounds.

作者信息

Lin Hsiu-Jung, Lutz Sean, O'Kane Catherine, Zeller Matthias, Chen Chun-Hsing, Al Assil Talal, Lee Wei-Tsung

机构信息

Department of Chemistry and Biochemistry, Loyola University Chicago, Chicago, IL 60660, USA.

出版信息

Dalton Trans. 2018 Mar 6;47(10):3243-3247. doi: 10.1039/c7dt04928e.

DOI:10.1039/c7dt04928e
PMID:29445796
Abstract

A low-coordinate iron(ii) complex (Cz(Pz))Fe[N(SiMe)], 1 bearing an NNN-pincer ligand was prepared and fully characterized. Intramolecular C-H activation on the 5-position of a pyrazole at elevated temperatures was observed. Complex 1 was found to be an efficient and chemoselective pre-catalyst for the hydrosilylation of organo carbonyl substrates.

摘要

制备并全面表征了一种带有NNN-钳形配体的低配位铁（II）配合物（Cz(Pz)）Fe[N(SiMe)]，即1。观察到在高温下吡唑5位上的分子内C-H活化。发现配合物1是有机羰基底物硅氢化反应的高效且化学选择性预催化剂。

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