Abstract

Abstract The pinacol arylboronates can be accessed by Pd‐catalyzed borylation of arylhalides (Miyaura borylation), or by Ir‐ or Rh‐catalyzed direct borylation via aromatic CH bond activation. The article reports modified reaction conditions, under which the borylation is carried out in MeCN at 80°C without the use of BPO. In most cases, the modified reaction conditions give slightly improved yields.

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