Nair, VijayVellalath, SreekumarPoonoth, ManojkumarResmiMohana2012-01-232012-01-232006http://hdl.handle.net/1968424/582enN-Heterocyclic Carbene Catalyzed Reaction of Enals and 1, 2 Dicarbonyl Compounds Stereoselective Synthesis of Spiro y-butyrolactonesArticle