Vijay Nair, G; Sreekumar, V; Manojkumar, P; Resmi Mohan; Suresh, E
(American Chemical Society, 2006)
Nucleophilic heterocyclic carbene (NHC) catalyzed annulation of enals and cyclic 1,2-dicarbonyl compounds, opening a route to gamma-spirolactones, has been observed for the first time. The strategy works well with isatins, ...