Condition-Regulated Regiodivergent Synthesis of Biaryl Sulfones via Sulfonylation of Diaryl λ3-Bromanes and Chloranes
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A regiodivergent sulfonylation of cyclic diaryl λ3-bromanes and λ3-chloranes has been developed, enabling the selective synthesis of biaryl sulfones. Under base-mediated conditions, meta-selective sulfonylation proceeds via aryne intermediates, while copper ... ...
