A new molecular mechanism of blue color development with protocyanin a supramolecular pigment from cornflower, Centaurea cyanus

被引：61

作者：

Kondo, T ^{[1
]}

Ueda, M

Isobe, M

Goto, T

机构：

[1] Nagoya Univ, Chem Instrument Ctr, Chikusa Ku, Nagoya, Aichi 46401, Japan

[2] Nagoya Univ, Sch Agr, Organ Chem Lab, Chikusa Ku, Nagoya, Aichi 46401, Japan

来源：

TETRAHEDRON LETTERS | 1998年 / 39卷 / 45期

关键词：

D O I：

10.1016/S0040-4039(98)01858-9

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Protocyanin (1), a blue pigment of Centaurea cyanus, is composed of six molecules each of malonylflavone (2) and succinylcyanin (3), complexed with magnesium and ferric ions. The blue color of 1 is developed by an LMCT interaction between anthocyanin and ferric ion, rather than arising from the formation of a simple anhydrobase anion of the chromophore. The supramolecular structure of 1 was elucidated. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：8307 / 8310

页数：4

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