Synthesis of 1-aryl-1H-pyrrolo[2,3-b]pyridines (1-aryl-7-azaindoles) by a thermal dehydration-cyclization-dehydrogenation sequence of 2-arylamino-3-(1-hydroxyalkyl)pyridines.

[摘要]：been prepd. in reasonable yields from the corresponding 2-arylamino-3-(1-hydroxyalkyl)pyridines, on heating at ca. 250 癈, through a successive dehydration/cyclization/dehydrogenation sequence.

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