Abstract
Ligandless palladium chloride catalyzed Suzuki cross-coupling reaction of a series of aryl bromides and arylboronic acids in pyridine, with K 2 CO 3 as the base, afforded the corresponding biaryls in surprisingly high yields. The quantities of PdCl 2 employed were especially low (0.2-0.3 mol%) and the solvent pyridine could be recovered in high amounts (>90%).
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