A Simple Method for the Synthesis of 3-Arylthieno[2,3-b]pyridines via Iodine-Mediated Cyclization of 3-(1-Arylalkenyl)-2-[(1-phenylethyl)sulfanyl]pyridines

[摘要]：3-Arylthieno[2,3-b]pyridines are synthesized in a short four-step sequence from readily available 2-bromopyridines. The final and key step of the reported method involves an iodine-mediated 5-endo cyclization of 3-(1-arylalkenyl)-2-[(1-phenylethyl)sulfanyl]pyridines.

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