Abstract
A methodology of FeBr<sub>3</sub>-catalyzed tandem reaction of <i>N</i>-propargylamides with disulfides or diselenides for the formation of oxazole derivatives has been developed. The strategy includes several steps in one pot. Series of <i>N</i>-propargylamides and disulfides were suitable as substrates in this transformation for synthesizing the corresponding oxazole derivatives in moderate to good yields.
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