Possible oxidative polymerization mechanism of 5,6-dihydroxyindole from ab initio calculations

Hidekazu Okuda, Kazumasa Wakamatsu, Shosuke Ito, Takayuki Sota

研究成果: Article査読

26 被引用数 (Scopus)

抄録

The reactivity of 5,6-dihydroxyindole and its major dimers has been studied with the use of a recently proposed general-purpose reactive indicator (Anderson et al. J. Chem. Theory Comput. 2007, 3, 358-374) from ab initio density-functional theory calculations. Theoretical prediction has reasonably explained previously isolated oligomers up to tetramers. The oxidative polymerization is governed by the electron-transfer-controlled reaction. The electrostatic interaction plays a regioselective role in the reactant complex and/or intermediates. A monomer-dimer coupling is able to form trimers, while a part of it is prevented by the exchange repulsion, i.e., steric hindrance. Therefore, a dimer-dimer coupling is also able to form tetramers.

本文言語English
ページ(範囲)11213-11222
ページ数10
ジャーナルJournal of Physical Chemistry A
112
44
DOI
出版ステータスPublished - 2008 11 6

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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