Kunkely, Horst and Vogler, Arnd (2000) Photocleavage of the 1,3-dimethyluracil cyclobutane dimer sensitized by (1,10-phenanthroline) tricarbonylrhenium(I) chloride. Self inhibition by the monomer. INORGANIC CHEMISTRY COMMUNICATIONS, 3 (4). pp. 188-190. ISSN 1387-7003
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The complex Re(o-phan) (CO)(3)Cl is used as a photolyase model. The phosphorescence of the complex is quenched by the 1,3-dimethyluracil cyclobutane dimer with k(q)=5.4 X 10(7) M-1 s(-1). The quenching is accompanied by the cleavage of the dimer. However, this sensitized photolysis cannot be driven very far because the regenerated monomer quenches the triplet of the complex more efficiently (k(q) = 1.2 X 10(9)). The sensitized monomerization is thus limited by self inhibition. (C) 2000 Elsevier Science S.A. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | LOWEST EXCITED-STATE; CHARGE-TRANSFER; DAMAGED DNA; SKIN-CANCER; COMPLEXES; SUNLIGHT; REPAIR; photochemistry; electron transfer; rhenium complexes; carbonyl complexes; photolyase model |
| 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: | 17 May 2022 13:57 |
| Last Modified: | 17 May 2022 13:57 |
| URI: | https://pred.uni-regensburg.de/id/eprint/42682 |
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