Benzimidazole-based N-heterocyclic carbene ruthenium(II) complexes: Synthesis and C-H bond activation properties

被引：3
|
作者：
Akkoc, Mitat [1 ]
机构：
[1] Malatya Turgut Ozal Univ, Hekimhan Vocat Coll, Dept Property Protect & Secur, TR-44400 Malatya, Turkey
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2022年 / 1270卷
关键词：
C-H activation; Direct arylation; 1-phenyl pyrazole; 2-phenyl pyridine; Ru-NHC; CROSS-COUPLING REACTIONS; CATALYTIC-PROPERTIES; METAL-CATALYSTS; RHODIUM; PALLADIUM; LIGANDS; METATHESIS;
D O I：
10.1016/j.molstruc.2022.133999
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The transition-metal-promoted C-H activation has become an efficient as well as an atom-economic methodology for the synthesis of a wide array of organic molecules. Herein, the reaction of RuCl2(p-cymene)](2) with 1,3-dialkylbenzimidazolium salts ( 1a-c ) in the presence of a small excess of cesium carbonate yields chelated eta(6)-arene, eta(1)-carbene ruthenium complexes ( 2a-c ). All synthesized compounds were characterized by elemental analysis and NMR spectroscopy. The catalytic activity of [Cl2Ru(eta(6)-arene, eta(1)-carbene)] complexes ( 2a-c ) were evaluated in the direct arylation of 2-phenylpyridine and 1-phenylpyrazole with (hetero)aryl chlorides derivative. (C) 2022 Published by Elsevier B.V.
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页数：7
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