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DOI: 10.1039/A908706K (Paper) Reference Section for: Chem. Commun., 1999, 2541-2542

Reductive coupling of alkynes to give ruthenium and osmium clusters of the type [M3(1,3-diene)(µ3-X)(CO)8] containing µ-η2,η2- or η4-1,3-diene

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Shahbano Ali, Antony J. Deeming, Graeme Hogarth, Nikesh A. Mehta and Jonathan W. Steed

Abstract

Replacement of a CO ligand by MeCN in the capped clusters [M3(µ-H)2(µ3-X)(CO)9] (M = Ru, X = NSO2C6H4Me-4 or M = Os, X = S) allows reductive coupling of alkynes (RC[triple bond, length half m-dash]CH, R = H or Ph) to give regioselectively the 1,3-diene clusters [M3(C4H4R2)(µ3-X)(CO)8], with the diene µ-η2,η2-coordinated for ruthenium and η4 for osmium.

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