Efficient Synthesis of Substituted Styrenes and Biaryls (or Heteroaryls) with Regioselective Reactions of ortho-, meta-, and para-Bromobenzyl Bromide

[摘要]：Regio-and stereoselective reactions of ortho-, meta-, and para-bromobenzyl bromide under Stille and (or) Suzuki cross-coupling reactions are described that provided substituted styrene monomers and biaryls in two steps. By controlling the experimental conditions, the first coupling provided access to allylarene or diarylmethane intermediates, and the second reaction led to the desired styrenes and biaryls, substituted by a spacer arm in the ortho, meta or para position depending on the starting material.

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