Li JC, Gao WX, Liu MC, Zhou YB, Wu HY. α-Selective C(sp
3)-H Thio/Selenocyanation of Ketones with Elemental Chalcogen.
J Org Chem 2021;
86:17294-17306. [PMID:
34784197 DOI:
10.1021/acs.joc.1c02431]
[Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A facile method is disclosed for the synthesis of α-thio/selenocyanato ketones through regioselective C-H thio/selenocyanation of ketones. The advantages include the use of easily available starting materials, high efficiency, simple operation, and easy scale-up. Control experiments provide evidence that the reaction proceeded via a radical way, while kinetic isotope effect experiments reveal that the cleavage of the C-H bond serves as the rate-limiting step.
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