Electronic spectrum and photoreactivity of dichloro(1,5-cyclooctadiene)-palladium(II)

Kunkely, Horst and Vogler, Arnd (1998) Electronic spectrum and photoreactivity of dichloro(1,5-cyclooctadiene)-palladium(II). JOURNAL OF ORGANOMETALLIC CHEMISTRY, 559 (1-2). pp. 223-225. ISSN 0022-328X, 1872-8561

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Abstract

The complex Pd-II(1,5-COD)Cl-2 (1,5-COD = 1,5-cyclooctadiene) shows a long-wavelength ligand-to-metal charge transfer (LMCT) absorption at lambda(max) = 342 nm. It is suggested that LMCT excitation generates a COD radical cation and (PdCl2-)-Cl-I in the primary photochemical step. In acetonitrile, a back-electron transfer takes place that leads to the transformation of 1,5-COD to its 1,3-isomer and a solvated Pd(II) complex. In ethanol, the COD radical cation and Pd-I are reduced by the solvent, which is oxidized to acetaldehyde. Metallic palladium is formed as a colloid. (C) 1998 Elsevier Science S.A. All rights reserved.

Item Type: Article
Uncontrolled Keywords: COMPLEXES; PALLADIUM; PLATINUM; absorption spectra; palladium complexes; photochemistry
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Anorganische Chemie > Alumni or Retired Professors > Prof. Dr. Arnd Vogler
Depositing User: Dr. Gernot Deinzer
Date Deposited: 24 Feb 2023 07:39
Last Modified: 24 Feb 2023 07:39
URI: https://pred.uni-regensburg.de/id/eprint/49802

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