Abstract
A convenient method for the synthesis of 1,2,4,5-tetrahydro-3,2-benzothiazepine 3,3-dioxides from 2-phenylethanesulfonamides and formaldehyde using Amberlyst resin as catalyst is described.
ACKNOWLEDGMENTS
The authors thank UNLP and CICBA for financial support and Drs. Agustín Ponzinibbio and Ruben Rimada for NMR measurements.