Stoichiometry-controlled supramolecular chirality induction and inversion in bisporphyrin systems

被引：51

作者：

Borovkov, VV ^{[1
]}

Lintuluoto, JM ^{[1
]}

Inoue, Y ^{[1
]}

机构：

[1] ERATO, JST, Inoue Photochirogenesis Project, Toyonaka, Osaka 5600085, Japan

来源：

ORGANIC LETTERS | 2002年 / 4卷 / 02期

关键词：

D O I：

10.1021/ol016870i

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Stoichiometry is found to be an effective tool for controlling supramolecular chirality induction and inversion processes. Chirality induction in the achiral syn ethane-bridged bis(zinc octaethylporphyrin) is achieved upon interaction with the enantiopure (R,R)-1,2-diphenylethylenediamine at the low molar excess region, to yield the right-handed chiral 1:1 tweezer complex. Further increase of the ligand concentration results in chirality inversion as the equilibrium shifts toward the extended left-handed 1:2 anti complex as a result of switching of the complex helicity.

引用

页码：169 / 171

页数：3

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