a Division of Organic Chemistry, Indian Institute of Chemical Technology, Hyderabad 500 007, India b Université de Rennes 1, Laboratoire SCR, CNRS UMR 6226, Avenue du Général Leclerc, 35042 Rennes Cedex, France
Abstract:
4-Amidopiperidine derivatives have been prepared for the first time in good yields and with high selectivity by means of aza-Prins-Ritter reaction sequence using 1.2 equiv of triflic acid under mild reaction conditions.