Application of Primary Allylamine Derivatives of Baylis-Hillman Adducts to Heterocyclic Synthesis: Generation of 5-Benzyl-4(3H)-pyrimidinones and 2-Benzylidene-2,3-dihydropyrrolizin-1-ones - Nag, Somnath; Madapa, Sudharshan; Batra, Sanjay (Synthesis, 2008)