METHOD OF OBTAINING NOVEL 3,4-DIHYDRO-2-ALKYL-3-OXO-N-ARYL-2H-(1)BENZOTHIENE (3,2-E)-1,2-THIAZIN-4-CARBONAMIDE 1,1-DIOXIDES

摘要

3,4-Dihydro-2-R2-3-oxo-N-Ar-2H-(1)benzothieno (3,2-e)-1,2-thiazine- 4-carboxamide-1,1-dioxide derivs. of formula (I) and their pharmaceutically acceptable salts are new, where R1 = H, halo or 1-4C alkyl; R2 = H or 1-4C alkyl; Ar = phenyl opt. substd. by 1-4C alkyl, halo, CF3, NO2, OH, halophenyl or 1-4C alkoxy.