Nair, VijayPattoorpadi Babu, BeneeshVellalath, SreekumarEringathodi, Suresh2012-01-092012-01-092008Chem. Commun., 2008, 747–749 | 747http://hdl.handle.net/1968424/371enStereoselective synthesis of spirocyclopentanones via N-heterocyclic carbene-catalyzed reactions of enals and dienonesArticle