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.
1,4-苯并噻嗪衍生物的化学式为; ##STR1## 其中R.sup.1和R.sup.2独立代表氢、卤素、较低的烷基、较低的烷氧基或三氟甲基,或者R.sup.1和R.sup.2一起形成由##STR2##所表示的5-7成员环,其中n是3到5的整数或由##STR3##所表示的5-6成员环,其中m是1或2,R.sup.3和R.sup.4独立代表氢、卤素、较低的烷基、较低的烷氧基或三氟甲基,R.sup.5代表氢或较低的烷基,A代表一种烷基基团或其药用可接受盐,可用作预防或治疗高血压和缺血性心血管疾病等疾病的药物。