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Iridacycles for hydrogenation and dehydrogenation reactions

Author:
Wang, Chao, Xiao, Jianliang
Source:
Chemical communications 2017 v.53 no.24 pp. 3399-3411
ISSN:
1364-548X
Subject:
air, catalysts, catalytic activity, dehydrogenation, formic acid, hydrogen, hydrogenation, metals
Abstract:
Iridacycles are a group of cyclometalated metal complexes, which have recently been shown to be versatile catalysts for a range of reactions. This Feature Article provides an account of the work carried out by our groups. We start with an introduction to the variety of iridacycles and how they entered into catalysis. The following sections provide an overview of the discovery and applications in catalysis of the iridacycles originated from our labs, including transfer hydrogenation with formic acid, hydrogenation with H₂, dehydrogenation and borrowing-hydrogen reactions. Where possible, mechanistic insight is also presented. A notable advantage of these iridacycles is their ease of preparation, stability to air and water and high modularity. With only one coordination site available for substrate activation, the iridacycles differ from most homogeneous catalysts structure-wise.
Agid:
6391125