A medicine for treating diseases of the kidney and digestive organ, which contains as an active ingredient a thiazine 1,1-dioxide derivative of formula (I), wherein R₁ represents an atom or a substituent selected from the group consisting of hydrogen, alkyl, alkoxy, halogen, haloalkyl, hydroxyl, carboxyl, alkylcarbonyl and ester, and Ar represents either (a) a benzene or naphthalene ring fused to the thiazine ring in the general formula (I), or (b) a heteroaromatic ring selected from the group consisting of thiophene, furan, pyridine, quinoline, isoquinoline and imidazole rings fused to the thiazine ring in the general formula (I).
                            一种治疗肾脏和消化器官疾病的药物,其活性成分为式(I)的
噻嗪-1,1-二氧化物衍
生物,其中 R₁ 代表原子或从氢、烷基、烷氧基、卤素、卤代烷基、羟基、羧基、烷基羰基和酯组成的组中选出的取代基,Ar 代表(a) 与通式(I)中的
噻嗪环融合的苯环或
萘环,或(b) 杂芳香族环、其中 R₁ 代表原子或取代基,它们选自由氢、烷基、烷氧基、卤素、卤代烷基、羟基、羧基、烷基羰基和酯组成的组,Ar 代表 (a) 与通式 (I) 中的
噻嗪环融合的苯环或
萘环,或 (b) 与通式 (I) 中的
噻嗪环融合的杂芳环,它们选自由
噻吩、
呋喃、
吡啶、
喹啉、
异喹啉和
咪唑组成的组。