Palladium-catalyzed synthesis of symmetrical biaryl compoundsa.
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Reaction conditions: 1 (1.0 equiv.), B2pin2 (0.5 equiv.), K3PO4·7H2O (3.0 equiv.), XPhos-Pd-G2 (0.5 mol%), XPhos (0.5 mol%), EtOH (0.20 M). Isolated yield.
H2O (0.3 ml) added into the reaction mixture after 2 h.