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

被引:24
作者
Ampt, Kirsten A. M. [1 ]
Burling, Suzanne
Donald, Steven M. A.
Douglas, Susie
Duckett, Simon B.
Macgregor, Stuart A.
Perutz, Robin N.
Whittlesey, Michael K.
机构
[1] Univ York, Dept Chem, York YO10 5DD, N Yorkshire, England
[2] Univ Bath, Dept Chem, Bath BA2 7AY, Avon, England
[3] Heriot Watt Univ, Sch Engn & Phys Sci, Edinburgh EH14 4AS, Midlothian, Scotland
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1021/ja0622397
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
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.
引用
收藏
页码:7452 / 7453
页数:2
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