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Mixed-metal cluster chemistry XII: isocyanide derivatives of [CpWIr3(CO)11]; X-ray crystal structure of [CpWIr3(CO)9(CNC6H3Me2-2,6)2]

Waterman, Susan; Humphrey, Mark; Hockless, David

Description

Reactions of [CpWIr3(CO)11] (1) with stoichiometric amounts of isocyanides afford the clusters [CpWIr3(CO)11-n(CNR)n] [R = Xy (C6H3Me2-2,6), n = 1 (2), 2 (3), 3 (4); R = tBu, n = 1 (5), 2 (6), 3 (7)] in good to excellent yields (47-63%). The products exhibit ligand fluxionality in solution, with the 13C-NMR spectra of 4-6 revealing that the carbonyls are undergoing fast exchange at 143 K. A single-crystal X-ray study of [CpWIr3(CO)9(CNXy)2] (3) reveals that the coordination sphere of the...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
URI: http://hdl.handle.net/1885/92417
Source: Journal of Organometallic Chemistry

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