科研之友
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摘要
A practical, efficient Pd(OAc)(2)/Cu(II)/PPh3 cocatalytic system has been developed. With only 1 mol% Pd(OAc)(2), 20 mol% copper(II) salt, and 0.5 equiv of inexpensive PPh3 as ligand, the direct arylation of benzoazoles with aryl bromides could be performed smoothly in mild condition, affording the desired arylated benzoazoles in good yields (75-93%).
