期刊
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
卷 566, 期 1, 页码 31-37出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2003.10.044
关键词
cyclic voltammetry; electrochemical synthesis; catechols; acetylacetone
Electrochemical oxidation of catechols (1a-1c) has been studied in the presence of acetylacetone (3) as a nucleophile in aqueous solutions, using cyclic voltammetry and controlled-potential coulometry. The results indicate that the quinones derived from catechols (1a-1c) participate in Michael addition reactions with acetylacetone (3) to form the corresponding benzofurans (6a-6c). In this work we have proposed a mechanism for the electrode process. The electrochemical synthesis of benzofurans 6a-6c has been successfully performed at carbon rod electrodes and in an undivided cell. (C) 2003 Elsevier B.V. All rights reserved.
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