Polymerization of phenol derivatives by the reduction of gold ions to gold metal

被引：23

作者：

Hamamoto, Kohshi ^{[1
]}

Kawakita, Hidetaka ^{[1
]}

Ohto, Keisuke ^{[1
]}

Inoue, Katsutoshi ^{[1
]}

机构：

[1] Saga Univ, Dept Appl Chem, Saga 8408502, Japan

来源：

REACTIVE & FUNCTIONAL POLYMERS | 2009年 / 69卷 / 09期

关键词：

Polyphenol; Au(III); Polymerization; Reduction; Catechol derivative; CATALYZED OXIDATIVE POLYMERIZATION; PERSIMMON TANNIN GEL; POLYPHENOLS; RESINS; ADSORPTION; RECOVERY;

D O I：

10.1016/j.reactfunctpolym.2009.05.003

中图分类号：

O69 [应用化学];

学科分类号：

070301 [无机化学];

摘要：

The phenol derivatives 3-methylcatechol, 4-methylcatechol, 4-ethylcatechol and m-cresol were polymerized through their ability to reduce gold ions. 3-Methylcatechol has the highest susceptibility to oxidation by gold ions, indicating that the location and number of OH groups and hydrophobic groups adjacent to the OH groups in phenol derivatives are crucial. Twenty-five millimoles of trivalent gold ion were completely reduced to the zero-valent state by catechol derivatives in approximately 4 h, with precipitation of gold particles. The oxidized phenol derivatives produced by the reduction of gold ions formed water-insoluble polymers with molecular weight approximately 1000 g mol(-1). The polymerization of phenols using a redox reaction between phenol derivatives and gold ions holds possibility as a novel synthetic method for polyphenols. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：694 / 697

页数：4

共 15 条

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Effect of phenolic monomer structure of precursor polymers in oxidative coupling of enzymatically synthesized polyphenols [J].