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|Title:||Photochemical reaction of CpIr(CO)2 with C6F 5X (X = CN, F): Formation of diiridium(II) complexes|
|Citation:||Mak, K.H.G., Chan, P.K., Fan, W.Y., Ganguly, R., Leong, W.K. (2013-02-25). Photochemical reaction of CpIr(CO)2 with C6F 5X (X = CN, F): Formation of diiridium(II) complexes. Organometallics 32 (4) : 1053-1059. ScholarBank@NUS Repository. https://doi.org/10.1021/om301055h|
|Abstract:||Visible light irradiation of CpIr(CO)2 (1) in pentafluorobenzontrile resulted in the formation of the two isomeric diiridium(II) complexes [CpIr(μ-CO)(C6F4CN)] 2 (3) and [CpIr(CO)(C6F4CN)]2 (4), while the analogous reaction of 1 in hexafluorobenzene to give [CpIr(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. © 2013 American Chemical Society.|
|Appears in Collections:||Staff Publications|
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