Synthesis of a Series of 2,3‐Disubstituted 4H‐1,4‐Benzothiazines and X‐Ray Crystal Structure of Ethyl 7‐Chloro‐3‐methyl‐4H‐1,4‐benzothiazine‐2‐carboxylate.

Abstract

A simple, economic and eco-friendly procedure is used for the preparation of benzothiazines, e.g. (III). -(DANDIA*, A.; SARAWGI, P.; HURSTHOUSE, M. B.; BINGHAM, A. L.; LIGHT, M. E.; DRAKE, J. E.; RATNANI, R.; J. Chem. Res. 2006, 7, 445-448; Dep. Chem., Univ. Rajasthan, Jaipur 302 004, India; Eng.) -K. Woydowski 48-169