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Reagents and conditions: (i) aryl-boronic acid, Pd(PPh3)4, Na2CO3, DME, H2O,150 °C (μW), 1 h (typical yields: 40–50%) (ii) POCI3, N,N-dimethylaniline, toluene, reflux, 1 h (iii) R,R′NH, iPr2NEt, DMF, rt -to- 60 °C, 2h (typical yields: 80–95%).
