2,3-Disubstituted furo[3,2-b]pyridines, 2,3-disubstituted furo[2,3-b]pyridines, and 2,3-disubstituted furo[2,3-c]pyridines are readily prepared under mild conditions via the palladium-catalyzed cross-coupling of 1-alkynes with o-lodoacetoxy- or o-iodobenzyloxypyridines, followed by electrophilic cyclization by I-2 or by PdCl2 under a balloon of carbon monoxide.

Electrophilic cyclization of o-acetoxy and o-benzyloxy alkynylpyridines: an easy entry into 2,3-disubstituted furopyridines

ARCADI, Antonio;MARINELLI, Fabio
2002-01-01

Abstract

2,3-Disubstituted furo[3,2-b]pyridines, 2,3-disubstituted furo[2,3-b]pyridines, and 2,3-disubstituted furo[2,3-c]pyridines are readily prepared under mild conditions via the palladium-catalyzed cross-coupling of 1-alkynes with o-lodoacetoxy- or o-iodobenzyloxypyridines, followed by electrophilic cyclization by I-2 or by PdCl2 under a balloon of carbon monoxide.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11697/14911
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