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A green and simple electrochemical method for the synthesis of PhSe/CF-containing dioxodibenzothiazepines has been developed radical cascade cyclization of alkynes. This transformation provides a novel approach for the synthesis of 7-membered heterocycles without the addition of any external catalyst or oxidant under mild reaction conditions. A gram-scale experiment demonstrated the practicality of this transformation.
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http://dx.doi.org/10.1039/d5cc02355f | DOI Listing |