Syntheses of chromones and quinolones via Pd-catalyzed carbonylation of o-iodophenols and anilines in the presence of acetylenes

Article abstract of DOI:10.1016/S0040-4020(01)80421-X

Synthesis of 2-substituted chromones and quinolones has been performed by a Pd-catalyzed carbonylation of o-iodophenols or o-iodoanilines in the presence of terminal acetylenes in a high yield through coupling of halides and acetylenes followed by cyclization as a one-pot reaction.