期刊
TETRAHEDRON LETTERS
卷 106, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2022.154090
关键词
Thiocyanation; Indoles; CeBr3/H2O2 system; Reactive brominating species; Fenton chemistry
资金
- 333 High-level Talent Project of Jiangsu Province, Changzhou Sci Tech Program [CJ20220021]
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology [BM2012110]
- Research Fund of Changzhou Vocational Institute of Engineering [11120101120002, 11130300120001, 11130900120004]
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center of Changzhou University
A convenient electrophilic thiocyanation of indoles in the CeBr3/H2O2 system has been developed. The reaction conditions are mild, providing the corresponding products in good to excellent yields in short reaction times.
A convenient electrophilic thiocyanation of indoles in CeBr3/H2O2 system has been developed. In this reaction, CeBr3/H2O2 system generates reactive brominating species (RBS), which react with NH4SCN to deliver active SCN cations. The Br-can be further oxidized to Br+, thereby furnishing the catalytical cycle. The reaction conditions are mild, providing the corresponding products in good to excellent yields in short reaction times. (c) 2022 Elsevier Ltd. All rights reserved.
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