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M. Venkanna, Dr. B. Sammaiah, K. Srinuvasulu, Prof. R. Madhusudhan Raju* Department of Chemistry, Osmania University, Hyderabad-07, Telangana A B S T R A C T 1,4-Dihydropyridine  synthesis  has  been  carried  out  using  Samarium  triflet, as a catalyst. This  protocol  is  applicable  to  a variety  of  aldehydes with β-ketoester  and  ammonium  acetate  to  afford  the  corresponding  Hantzsch pyridines  in  excellent  ... Read More »