Efficient Synthesis of 2-Substituted 7-Azaindole Derivatives via Palladium-Catalyzed Coupling and C-N Cyclization Using 18-Crown-6

Abstract

A practical and straightforward preparation of various novel 2-substituted 7-azaindole derivatives from 2-amino-3-iodopyridine by a two-step procedure is described that gives the desired compounds in good overall yields.