
Tetrahedron p. 7737 - 7748 (2001)
Update date:2022-09-26
Topics:
Fielding, Mark R
Grigg, Ronald
Sridharan, Visuvanathar
Thornton-Pett, Mark
Urch, Christopher J
Katritzky's oxopyridinium betaine cycloaddition is employed to generate bridged bicyclic substrates suitable for our palladium(0) catalysed cyclisation-anion capture methodology. A variety of polycyclic heterocycles have been synthesised via monocyclisation-organotin(IV) capture with or without incorporation of carbon monoxide. Sequential cycloaddition-cyclisation can be performed as a one pot process to deliver substantial gain in molecular complexity.
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