Electron transfer in a hydrogen-bonded assembly consisting of porphyrin–diimide

A Osuka, R Yoneshima, H Shiratori, T Okada…

Index: Osuka, Atsuhiro; Yoneshima, Ryusho; Shiratori, Hideo; Okada, Tadashi; Taniguchi, Seiji; Mataga, Noboru Chemical Communications, 1998 , # 15 p. 1567 - 1568

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Citation Number: 41

Abstract

Electron-transfer reactions in an H-bonded assembly composed of a diacylaminopyridine bearing zinc porphyrin and 1, 8: 4, 5-naphthalenetetracarboxylic diimide (Ka= 2.8× 102 dm3 mol–1) in benzene occur with kCS= 4.1× 1010 s–1 and kCR= 3.7× 109 s–1, while the corresponding covalently linked model with a comparable distance and energy gap undergoes electron transfer with kCS= 9.9× 1010 s–1 and kCR= 6.7× 108 s–1.

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