申请人:TAIHO PHARMACEUTICAL COMPANY LIMITED
公开号:EP0641789A1
公开(公告)日:1995-03-08
A benzothiadiazine derivative represented by general formula (I), a hydrate and acid addition salt thereof, and a remedy for peptic ulcer containing said derivative, said hydrate or said salt as an active ingredient. In formula (I) X represents methylene or a lower alkyl-substituted nitrogen atom; Y and Z represent each methylene or carbonyl; A represents phenylene which may be substituted by methoxycarbonyl; B represents lower alkylene or lower alkenylene; R₁ represents hydrogen, acetoxyacetyl, cyclohexylmethyl, or benzyl wherein the benzene ring may be substituted by lower alkoxy, halogen, nitro, lower alkyl, methylenedioxy or hydroxyl; R₂ represents lower alkyl or phenyl; and R₃ represents hydrogen, halogen or lower alkoxy, provided that the case where X, Y and Z represent each methylene, A represents unsubstituted phenylene, B represents lower alkylene, and R₁ represents hydrogen is excluded.
一种由通式(I)代表的苯并噻二嗪衍生物,其水合物和酸加成盐,以及一种含有所述衍生物、所述水合物或所述盐作为有效成分的消化性溃疡治疗剂。式(I)中,X 代表亚甲基或低级烷基取代的氮原子;Y 和 Z 分别代表亚甲基或羰基;A 代表可被甲氧基羰基取代的亚苯基;B 代表低级亚烷基或低级亚烯基;R₁ 代表氢、乙酰氧基乙酰基、环己基甲基或苄基,其中苯环可被低级烷氧基、卤素、硝基、低级烷基、亚甲基二氧基或羟基取代;R₂ 代表低级烷基或苯基;以及 R₃ 代表氢、卤素或低级烷氧基,但不包括 X、Y 和 Z 分别代表亚甲基、A 代表未取代亚苯基、B 代表低级亚烷基以及 R₁ 代表氢的情况。