A convenient protocol for the synthesis of biaryls from arenediazonium salts and potassium aryltrifluoroborates in refluxing methanol catalyzed by Pd/C is described. The protocol is simple to execute and gives moderate to high yields of cross-coupling products in most cases.
Keywords: Diazonium salts, potassium aryltrifluoroborates, Pd/C, cross-coupling, biaryl synthesis, suzuki-miyaura