Rearrangement of Pyran Derivatives Obtained from Vinyl Malononitriles and Aldehydes via Vinylogous Aldol Reaction: A Novel Facile Method for the Synthesis of Dienamides - Babu, Thelagathoti Hari; Pawar, Sujeet; Muralidharan, D.; Perumal, Paramasivan T. (Synlett, 2010)