Acetylenic 8-quinolinols generated in situ by the Sonogashira
cross-coupling reaction are efficiently converted into furo[3,2-h]quinolines by microwave-assisted,
copper-catalyzed, intramolecular cyclization in the presence of
basic alumina.
heterocycles - furoquinoline - cross-coupling - cyclizations - solid-phase synthesis
- microwave
irradiation