OXIDATIVE HOMOCOUPLING OF ARYLBORONIC ACIDS
943
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effective for the Pd-catalyzed homocoupling reaction of
1
arylboronic acids, good to excellent yields of symmetrical
biaryls were achieved under eco-friendly and extremely mild
conditions: in ethanol (95%) under aerobic atmosphere at room
temperature with very low catalyst loading (0.01 mol%). Our
result showed that oxygen was essential for the homocoupling
reaction also.
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SUPPLEMENTARY MATERIALS
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