Regioselective synthesis of substituted pyrrolopyridines based on Pd(II)-mediated cross coupling and base induced heteroannulation
摘要:
Novel pyrrolopyridines have been synthesized by an efficient, regioselective and catalytic method from commercially available and inexpensive 3-aminopyridine or 2-aminopyridine. (c) 2007 Elsevier Ltd. All rights reserved.
The dibenzoazepinone framework has been synthesized through a palladium-mediated Sonogashira cross-coupling followed by a reductive Fleck cyclization. The reactions are simple. straightforward, and have been carried Out Under ligand-free conditions.