申请人:Kowa Co., Ltd.
公开号:US06117886A1
公开(公告)日:2000-09-12
The present invention is directed to a tetrazole derivative represented by the following formula (1) or a salt thereof: ##STR1## wherein R.sup.1 and R.sup.2 independently represent a hydrogen atom, a hydroxyl group, a lower alkyl group, a substituted or unsubstituted alkoxy group, or a substituted or unsubstituted alkanoyloxy group; R.sup.3 represents a hydrogen atom or a substituted or unsubstituted lower alkyl group; A represents a methyleneoxy group or a vinylene group; Z represents a substituted or unsubstituted benzimidazolyl group; and a broken line indicates that there may be a double bond; and to a medicine containing the compound as an active ingredient. The medicine according to the present invention is endowed with excellent antileukotriene activity and antihistaminic activity, and is useful for the prevention and treatment of, for example, asthma.
本发明涉及一种由以下式(1)或其盐表示的四唑衍生物:其中R^1和R^2独立表示氢原子、羟基、较低烷基基团、取代或未取代的烷氧基团,或取代或未取代的烷酰氧基团;R^3表示氢原子或取代或未取代的较低烷基基团;A表示亚甲氧基团或乙烯基团;Z表示取代或未取代的苯并咪唑基团;断线表示可能存在双键;以及含有该化合物作为活性成分的药物。根据本发明的药物具有优异的抗白三烯活性和抗组胺活性,对于例如哮喘的预防和治疗非常有用。