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    • 85. 发明授权
    • Benzothiazine derivatives
    • 苯并噻嗪衍生物
    • US4397849A
    • 1983-08-09
    • US329862
    • 1981-12-11
    • Tsutomu TerajiTeruo OkuYouichi Shiokawa
    • Tsutomu TerajiTeruo OkuYouichi Shiokawa
    • A61K31/54A61K31/5415A61P37/06C07D279/16C07D417/12
    • C07D279/16
    • This invention relates to novel benzothiazine derivatives having therapeutic effect on autoimmune diseases, to processes for preparation of such derivatives, and to pharmaceutical compositions containing such derivatives, the derivatives having the formula: ##STR1## wherein R.sup.1 is lower alkyl which may have one or more substituents selected from carboxy, aryl and carboxy(lower)cycloalkyl; aryl which may have one or more substituents selected from halogen, lower alkyl, halo(lower)alkyl and lower alkoxy; haloarylamino; or heterocyclic group;R.sup.2 is hydrogen, lower alkyl, lower alkylamino(lower)alkyl, aryl or ar(lower)alkyl;R.sup.3 is hydrogen, halogen, lower alkyl or lower alkoxy; andn is an integer 0 to 2.
    • 本发明涉及对自身免疫性疾病具有治疗作用的新的苯并噻嗪衍生物,该衍生物的制备方法,以及含有该衍生物的药物组合物,具有下式的衍生物:其中R 1为低级烷基,可以具有一个或多个 取代基选自羧基,芳基和羧基(低级)环烷基; 可以具有一个或多个选自卤素,低级烷基,卤代(低级)烷基和低级烷氧基的取代基的芳基; 卤代芳基氨基; 或杂环基; R2是氢,低级烷基,低级烷基氨基(低级)烷基,芳基或芳(低级)烷基; R3是氢,卤素,低级烷基或低级烷氧基; n为0〜2的整数。