Kunkely, Horst and Vogler, Arnd (2002) Charge transfer interaction between bis(triphenylphosphine)copper(I) borohydride and 9,10-phenanthrenequinone. Absorption spectrum and photoreactivity of the donor-acceptor adduct. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 147 (2): PII S1010-. pp. 149-152. ISSN 1010-6030
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The complex (PPh3)(2)CuBH4 and 9,10-phenanthrenequinone form a weak adduct in CH2Cl2 which dissociates into its components in DMSO. The adduct is characterized by (PPh3)(2)CuBH4 --> pherianthrenequitione outer sphere charge transfer (OSCT) absorptions at lambda(max) = 707 and 514 nm. The coordinated BH4- ligand reduces the quinone to hydroquinone thermally and photochemically by OSCT excitation with phi = 0.05 at lambda(irr) = 700 nm. (C) 2002 Elsevier Science B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | TRANSFER EXCITATION; METAL-COMPLEXES; PI-ACCEPTORS; REDUCTION; CLUSTERS; electronic spectra; charge transfer; copper complexes; borohydrides; quinones |
| 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: | 03 Nov 2021 10:55 |
| Last Modified: | 03 Nov 2021 10:55 |
| URI: | https://pred.uni-regensburg.de/id/eprint/40467 |
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