These are one of the coupling partners and are used as the source of aryl groups. The boronic acid group undergoes a transmetalation reaction with the copper catalyst to form an aryl copper intermediate.
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1,3-Benzenedicarboxamide, N,N,N',N'-tetrakis(phenylmethyl)-
2,5-Pyrrolidinedione, 1-(3-iodophenyl)-
1-(biphenyl-4-yl)-2-phenyl-1,2,3,4-tetrahydroisoquinoline
