3,4-Dihydro-2H-1,2-benzothiazine 1,1-dioxides of the formula ##STR1## wherein Ph represents a substituted or unsubstituted 1,2-phenylene radical, R represents a substituted or unsubstituted benzopyrone radical, and R.sub.1 represents hydrogen or a substituted or unsubstituted hydrocarbon radical of aliphatic character, and their salts, possess antiinflammatory properties and are useful as medicaments.
3,4-二氢-2H-1,2-苯并
噻嗪1,1-二氧化物的
化学式为##STR1## 其中Ph代表取代或未取代的1,2-苯基基团,R代表取代或未取代的苯并
吡喃基团,R.sub.1代表氢或取代或未取代的脂肪性碳氢基团,它们的盐具有抗炎性能并可用作药物。