Ring rotation controversy in cerium(IV) bis(tetraarylporphyrinate) double deckers: HPLC evidence for the question to rotate or not to rotate

被引：38

作者：

Takeuchi, M ^{[1
]}

Imada, T ^{[1
]}

Ikeda, M ^{[1
]}

Shinkai, S ^{[1
]}

机构：

[1] Kyushu Univ, Fac Engn, Dept Chem Sci & Technol, Fukuoka 812, Japan

来源：

TETRAHEDRON LETTERS | 1998年 / 39卷 / 43期

关键词：

D O I：

10.1016/S0040-4039(98)01751-1

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

To obtain unequivocal evidence for the rotation of two porphyrin rings in conventional cerium(IV) bis(tetraphenylporphyrinate) double decker analogues we newly synthesized 3 with one electron-withdrawing 4-pyridyl group and three electron-donating 4-methoxyphenyl groups per one porphyrin ring. VT-H-1 NMR and HPLC studies provided evidence strong enough to conclude that the two porphyrin rings do rotate in a speed a little slower than the H-1 NMR time-scale (C) 1998 Elsevier Science Ltd. All rights reserved.

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页码：7897 / 7900

页数：4

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