Photo-induzierte Substitution und Isomerisierung in oktaedrischen cis-Dicarben-Komplexen / Photo-induced Substitution and Isomerisation in Octahedral cis-Dicarbene Complexes
Open Access
- 1 June 1973
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 28 (5-6) , 306-309
- https://doi.org/10.1515/znb-1973-5-615
Abstract
Irradiation of cis-M. (CO) 4L′2 (M = Cr, Mo, W; L′ = 1,3-dimethyl-4-imidazoline-2-ylidene) in solution leads to photoisomerisation to the corresponding trans-M (CO)4L′2 complexes which are reconverted thermally to the thermodynamically more stable cis-isomers. In the presence of pyridine, the photoreaction of cis-Mo (CO) 4L′2 results in the formation of both fac-Mo (CO)3 (py) L′2 and trans-Mo (CO)4L′2.Keywords
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