Abstract
The synthesis of complex benzo[b]thiophenes, benzo[b]furans, and 2,6-disubstituted imidazo[1,2-a ]pyridines using a microwave-assisted, one-pot cyclization-Suzuki coupling approach is reported. The heterocycles were obtained in moderate to good yields depending on the substituent R1 by treatment of boronate precursors, which are prepared in advance, with 6-bromoquinazolin-2-amine, and α-bromoketone.
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