Synthesis of NHC Complexes with an N-(2-Oxopropyl) Group

被引：0
|
作者：
Herve, Alexandre [1 ]
Jahnke, Mareike C. [1 ]
Hahn, F. Ekkehardt [1 ]
机构：
[1] Westfalische Wilhelms Univ Munster, Inst Anorgan & Analyt Chem, Corrensstr 30, D-48149 Munster, Germany
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2021年 / 647卷 / 11期
关键词：
N-heterocyclic carbenes; Rhodium; Iridium; Gold; N-HETEROCYCLIC CARBENE; COORDINATION CHEMISTRY; PLATINUM(II) COMPLEXES; OXIDATIVE ADDITION; LIGANDS; C8-METALATION; CATALYSIS; STRATEGY;
D O I：
10.1002/zaac.202100042
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The unsymmetrically N,N'-substituted NHC precursor N-(2-oxopropyl),N'-picolylbenzimidazolium chloride (H-1)Cl, featuring an N-protecting group has been prepared. Reaction of (H-1)Cl with Ag2O followed by transmetallation of the NHC to [MCl2(Cp*)](2) (M=Rh, Ir) yielded complexes [MCl(Cp*)(kappa(2)-1)]Cl (M=Rh, [2]Cl; M=Ir, [3]Cl) with a chelating coordinated C-NHC perpendicular to N-pyridine ligand. Anion exchange gave complexes [2]BF4 (M=Rh) and [3]BF4 (M=Ir). Transmetallation of the NHC ligand from silver(I) to gold(I) gave the mononuclear complex [AuCl(1)] [4] bearing a monodentate, N-picoly funtionalized NHC ligand. Complex [4] reacts with AgBF4 to yield the dinuclear complex [5](BF4)(2) featuring two bridging mu(2)-C-NHC perpendicular to N-pyridine ligands. The molecular structures of [2]BF4 . CH2Cl2 and [3]BF4 . CH2Cl2 have been determined by X-ray diffraction studies.
引用
收藏
页码：1145 / 1150
页数：6
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