Synthesis of 2,3-Disubstituted 5-Iodo-1H-Pyrrolo[2,3-b]pyridines via Fischer Cyclizationстатья
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Дата последнего поиска статьи во внешних источниках: 19 октября 2017 г.
Аннотация:A simple and convenient procedure for the preparation of some unknown 2,3-disubstituted 5-iodo-1H-pyrrolo[2,3-b]pyridines from readily available starting materials by Fischer indole cyclization in polyphosphoric acid is described. The present methodology provides an alternative synthetic approach to the synthesis of 5-iodo-7-azaindole scaffold. All synthesized compounds were characterized by IR, MS, 1H and 13C NMR, and elemental analysis.