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Title: Photochemical reaction of Cp*Ir(CO)2 with C6F5X (X = CN, F) : formation of diiridium(II) complexes
Authors: Ganguly, Rakesh
Mak, Kar Hang Garvin
Chan, Pek Ke
Fan, Wai Yip
Leong, Weng Kee
Keywords: DRNTU::Science::Chemistry::Organic chemistry::Organometallic compounds
Issue Date: 2013
Source: Mak, K. H. G., Chan, P. K., Fan, W. Y., Ganguly, R.,& Leong, W. K. (2013). Photochemical reaction of Cp*Ir(CO)2 with C6F5X (X = CN, F) : formation of diiridium(II) complexes. Organometallics, 32(4), 1053-1059.
Series/Report no.: Organometallics
Abstract: Visible light irradiation of Cp*Ir(CO)2 (1) in pentafluorobenzontrile resulted in the formation of the two isomeric diiridium(II) complexes [Cp*Ir(μ-CO)(C6F4CN)]2 (3) and [Cp*Ir(CO)(C6F4CN)]2 (4), while the analogous reaction of 1 in hexafluorobenzene to give [Cp*Ir(μ-CO)(C6F5)]2 (3a) required UV irradiation. Complex 4 isomerizes to 3 under visible light irradiation. A reaction pathway to 4 involving aromatic nucleophilic substitution has been proposed on the basis of experimental and computational data. The isomerization of 4 to 3 is believed to proceed via a radical species resulting from homolytic fission of the Ir−Ir bond.
DOI: 10.1021/om301055h
Rights: © 2013 American Chemical Society. This is the author created version of a work that has been peer reviewed and accepted for publication by Organometallics, American Chemical Society. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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