Photochemical isomerization of N-heterocyclic carbene ruthenium hydride complexes: In situ photolysis, parahydrogen, and computational studies

K. A M Ampt, Suzanne Burling, S. M A Donald, Susie Douglas, Simon B. Duckett, Stuart A. Macgregor, Robin N. Perutz, Michael K. Whittlesey

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24 Citations (Scopus)

Abstract

Low-temperature UV irradiation of the N-heterocyclic carbene complex Ru(IEt2Me2)(PPh3)2(CO)H2 (IEt2Me2 = 1,3-bis(ethyl)-4,5-dimethylimidazol-2-ylidene) leads to a remarkable photoisomerization reaction. By combining in situ photolysis and parahydrogen experiments to characterize the ultimate photoproducts and DFT calculations to interrogate the structures of the key 16-electron intermediates, the importance of both PPh3 and H2 loss pathways has been established. Copyright © 2006 American Chemical Society.

Original languageEnglish
Pages (from-to)7452-7453
Number of pages2
JournalJournal of the American Chemical Society
Volume128
Issue number23
DOIs
Publication statusPublished - 14 Jun 2006

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