Platinum(II) N-heterocyclic carbene complexes: coordination and cyclometallation

被引：39
|
作者：
Petretto, Giacomo L. [1 ,2 ]
Wang, Miao [1 ]
Zucca, Antonio [2 ]
Rourke, Jonathan P. [1 ]
机构：
[1] Univ Warwick, Dept Chem, Coventry CV4 7AL, W Midlands, England
[2] Univ Sassari, Dipartimento Chim, I-07100 Sassari, Italy
来源：
DALTON TRANSACTIONS | 2010年 / 39卷 / 33期
关键词：
C-H ACTIVATION; CROSS-COUPLING REACTIONS; OXIDATIVE ADDITION; BOND ACTIVATION; LIGAND CYCLOMETALATION; PALLADIUM COMPLEXES; IMIDAZOLIUM CATION; DISSOCIATIVE ROUTE; TRANSITION-METALS; NHC LIGANDS;
D O I：
10.1039/c0dt00435a
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Four different NHC ligands have been coordinated to Pt(II) centres; for the first time cyclometallation of the NHC ligand was observed, but only when the platinum centre had a DMSO and two methyl co-ligands. Cyclometallation resulted in the exclusive formation of five-membered rings, and the absence of any double cyclometallation reactions with appropriate ligands rules out the possibility of an oxidative addition type mechanism for the cyclometallation reaction.
引用
收藏
页码：7822 / 7825
页数：4
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