Metal-induced conformational changes in calix[n]arenes can control the electron-transfer efficiency between porphyrin and [60]fullerene in an on-off manner

被引：16

作者：

Kawaguchi, M ^{[1
]}

Ikeda, A ^{[1
]}

Hamachi, I ^{[1
]}

Shinkai, S ^{[1
]}

机构：

[1] Kyushu Univ, Grad Sch Engn, Dept Chem & Biochem, Fukuoka 8128581, Japan

来源：

TETRAHEDRON LETTERS | 1999年 / 40卷 / 47期

关键词：

D O I：

10.1016/S0040-4039(99)01750-5

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Calix[n]aryl esters (1(n):n=4 and 6) bearing a Zn(II)-porphyrin group as a fluorophore and a [60]fullerene group as a quencher on the lower rim were synthesized. In 1(6) a metal-induced 1,2,3-alternate-to-cone conformational change shortened the distance between these two groups and the electron-transfer efficiency was sharply increased. In 1(4) the electron-transfer efficiency was slightly increased in spite of a metal-induced rotation of the carbonyl groups which enlarges the distance between these two groups. These are novel responsive systems to control the electron-transfer efficiency between porphyrin and [60]fullerene. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：8245 / 8249

页数：5

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