PHOTOINDUCED ELECTRON TRANSFER IN PORPHYRIN-QUINONE CYCLOPHANES .10. ZINC COMPLEXES OF PORPHYRIN-QUINONE CYCLOPHANES - SYNTHESES, STRUCTURES, AND ELECTRON-TRANSFER-RELATED-PROPERTIES

被引：28
|
作者：
STAAB, HA
KRIEGER, C
ANDERS, C
RUCKEMANN, A
机构：
[1] Abteilung Organische Chemie, Max-Planck-Institut für medizinische Forschung, Heidelberg, D-69120
来源：
CHEMISCHE BERICHTE | 1994年 / 127卷 / 01期
关键词：
ZINC PORPHYRIN COMPLEXES; PORPHYRIN-QUINONE CYCLOPHANES; PHOTOINDUCED ELECTRON TRANSFER; ELECTRON-TRANSFER MECHANISM IN METALLOPORPHYRIN-QUINONE CYCLOPHANES;
D O I：
10.1002/cber.19941270133
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In order to increase the driving force for photoinduced electron-transfer reactions of porphyrin-quinone cyclophanes, the zinc complexes 3a-e and 4a-e were prepared from the corresponding cyclophanes of the 1 and 2 series. Electron-transfer-related properties like redox potentials and fluorescence spectra were determined for 3a-e and 4a-e. The Xray structure analysis of 4a indicates that for the very fast and solvent-independent electron transfer in these systems a specific mechanism involving an interaction of a quinone carbonyl group with the zinc might be considered as an alternative to through-space electron-transfer.
引用
收藏
页码：231 / 236
页数：6
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