ChemInform Abstract: New Cyclic Zwitterionic Building Blocks for the Synthesis of Piperidine‐2,4‐dione and Pyridine‐2‐one Compounds.

Abstract

Base-mediated cyclization of sulfur ylides (III) provides chiral zwitterionic pyridinones (IV), which are further reduced to diketo piperidines (V) or oxidized to pyridinones (VI). -(PALILLERO, A.; TERAN*, J. L.; GNECCO, D.; JUAREZ, J. R.; OREA, M. L.; CASTRO, A.; Tetrahedron Lett. 50 (2009) 29, 4208-4211; Cent. Quim., Univ. Auton. Puebla, 72570 Puebla, Mex.; Eng.) -Mais 43-153