申请人:Takeda Chemical Industries, Ltd.
公开号:US04640916A1
公开(公告)日:1987-02-03
1,4-Benzothiazine derivatives of the formula; ##STR1## wherein R.sup.1 and R.sup.2 independently stand for hydrogen, halogen, a lower alkyl group, a lower alkoxy group or trifluoromethyl group, or R.sup.1 and R.sup.2, taken together, form a 5-7 membered ring represented by ##STR2## wherein n is an integer of 3 to 5 or a 5-6 membered ring represented by ##STR3## wherein m is 1 or 2, R.sup.3 and R.sup.4 independently stand for hydrogen, halogen, a lower alkyl group, a lower alkoxy group or trifluoromethyl group, R.sup.5 stands for hydrogen or a lower alkyl group, and A stands for an alkylene group or pharmaceutically acceptable salts thereof, are useful as prophylactic or therapeutic drugs for, among others, hypertension and ischemic cardiovascular diseases.
公式为1,4-苯并噻唑衍生物;其中R1和R2独立地代表氢,卤素,较低的烷基,较低的烷氧基或三氟甲基基团,或者R1和R2在一起形成由下式表示的5-7成员环:其中n是3到5的整数或由下式表示的5-6成员环:其中m为1或2,R3和R4独立地代表氢,卤素,较低的烷基,较低的烷氧基或三氟甲基基团,R5代表氢或较低的烷基,A代表烷基或其药学上可接受的盐,可用于预防或治疗高血压和缺血性心血管疾病等疾病的药物。