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Journal Article

Zinc complexes of porphyrin-quinone cyclophanes: syntheses, structures and electron-transfer-related properties

MPS-Authors
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Staab,  Heinz A.
Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;

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Krieger,  Claus
Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;

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Anders,  Christine
Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;

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Rückemann,  Andreas
Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;

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http://onlinelibrary.wiley.com/doi/10.1002/cber.19941270133/epdf
(Any fulltext)

https://dx.doi.org/10.1002/cber.19941270133
(Any fulltext)

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Citation

Staab, H. A., Krieger, C., Anders, C., & Rückemann, A. (1994). Zinc complexes of porphyrin-quinone cyclophanes: syntheses, structures and electron-transfer-related properties. Chemische Berichte, 127(1), 231-236. doi:10.1002/cber.19941270133.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-A94B-B
Abstract
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 X-ray 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.