Journal
CURRENT ORGANIC SYNTHESIS
Volume 18, Issue 3, Pages 233-247Publisher
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/1570179417999201203211855
Keywords
Organosulfur compounds; thiocyanation; indoles; oxidants; acid catalysts; electrochemical thiocyanation; photocatalyzed thiocyanation
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Funding
- Department of Science and Technology (DST) through the grant WOS-A [SR/WOS-A/CS-2/2019]
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This review highlights various methods for the thiocyanation of indoles and emphasizes the importance of studying new approaches for the preparation of 3-thiocyanato-indoles. The mechanistic aspects and significance of these methods are also briefly discussed.
Background: The thiocyanation of indoles is a direct way for carbon-sulfur bond formation to access 3-thiocyanato-indoles. 3-thiocyanato-indoles exhibit potent biological and pharmacological activities and also serve as building blocks to synthesize many biologically active sulfur-containing indole derivatives. Objective: The aim of this review is to highlight different approaches for the thiocyanation of indoles focusing on its scope and mechanism. Conclusion: In this review, we have summarized various methods for the thiocyanation of indoles. Selection of new methods for the preparation of 3-thiocyanato-indoles will be done. The mechanistic aspects and significance of the methods are also briefly discussed.
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