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Dithiane chemistry is increasingly advantageous in the development of novel anion relay chemistry (ARC) modes that harness their umpolung properties to address new chemical challenges. Herein, we report the use of an ARC strategy to promote the regioselective carbonyl alkyne metathesis (CAM) of various carbonyl compounds with alkynyl 1,3-dithianes. Notably, this ARC transformation provides a platform for obtaining stereodefined polysubstituted 1,3-dienes.
Li et al. (2024) studied this question.
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