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Issue 4, 2019
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Catalyst-free direct C(sp3)–H sulfenylation of xanthene derivatives using air as the oxidant

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Abstract

A catalyst-free direct C(sp3)–H sulfenylation has been achieved via the autoxidative cross-dehydrogenative coupling (CDC) between xanthene derivatives and thiophenols in ethanol using air as the sole oxidant at room temperature. This simple and efficient method provides straightforward access to 9-sulfenylated xanthenes, 9,10-dihydroacridines and thioxanthene with good functional group compatibility.

Graphical abstract: Catalyst-free direct C(sp3)–H sulfenylation of xanthene derivatives using air as the oxidant

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Article information


Submitted
13 Dec 2018
Accepted
29 Jan 2019
First published
30 Jan 2019

Green Chem., 2019,21, 798-802
Article type
Communication

Catalyst-free direct C(sp3)–H sulfenylation of xanthene derivatives using air as the oxidant

Q. Chen, G. Yu, X. Wang, Y. Ou and Y. Huo, Green Chem., 2019, 21, 798
DOI: 10.1039/C8GC03898H

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