期刊
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
卷 670, 期 -, 页码 36-41出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2012.02.003
关键词
Electrochemical synthesis; 4-(Piperazin-1-yl)phenols; Bisindolyl-p-quinones; Michael type reaction; Cyclic voltammetry
资金
- Bu-Ali Sina University Research Council
- Center of Excellence in Development of Chemical Methods (CEDCM)
The electrochemical oxidation of 4-(piperazin-1-yl)phenols have been studied in the presence of indole derivatives as nucleophiles in water/acetonitrile mixture by means of cyclic voltammetry and controlled-potential coulometry. The reaction mechanism is believed to be oxidation of 4-(piperazin-1-yl)phenols, Michael addition reaction, oxidation of the formed adduct, another Michael addition reaction, oxidation of new adduct and hydrolysis (ECECEC). The results revealed that bisindolyl-p-quinones were synthesized through the regioselective addition of indoles to electrochemically generated quinone imines in good yields at carbon electrode in a divided cell. (C) 2012 Elsevier B.V. All rights reserved.
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