申请人:Mitsubishi Yuka Pharmaceutical Co., Ltd.
公开号:US04189484A1
公开(公告)日:1980-02-19
Novel quinazoline compounds and antihypertensive compositions containing said compounds are disclosed; said compounds having the formula: ##STR1## wherein R.sup.1 is a hydrogen atom or an alkyl group having 1-5 carbon atoms; R.sup.2 is a group of the formula ##STR2## in which Y is a hydrogen atom, an alkyl group of 1-5 carbon atoms, an alkoxy group of 1-5 carbon atoms, an alkenyloxy group, a methylenedioxy group, a nitro group, a halogen atom, a trifluoromethyl group, an acyloxy group, a hydroxy group, an unsubstituted or substituted amino group or a condensed benzene nucleus and m is an integer of 1-3 inclusive, or a group of the formula ##STR3## in which X is an oxygen atom, a sulfur atom or a carbon-nitrogen double bond and Z is a hydrogen atom, an alkyl group of 1-5 carbon atoms, an alkoxy group of 1-5 carbon atoms, a nitro group or a halogen atom; and n is an integer of 2-3 inclusive; provided that, when R.sup.2 is the said group ##STR4## n is 2 and R.sup.1 is a hydrogen atom or, when R.sup.2 is the said group ##STR5## n is 2 or 3 and R.sup.1 is a hydrogen atom or the said alkyl group and a pharmaceutically acceptable acid addition salt thereof.
本发明公开了新型喹唑啉化合物和含有该化合物的降压组合物;所述化合物具有以下结构式:##STR1##其中R.sup.1是氢原子或具有1-5个碳原子的烷基基团;R.sup.2是以下结构式的一个基团##STR2##其中Y是氢原子、1-5个碳原子的烷基基团、1-5个碳原子的烷氧基团、烯氧基团、亚甲二氧基基团、硝基、卤原子、三氟甲基基团、酰氧基团、羟基、未取代或取代的氨基团或缩合苯环核,m是1-3的整数,或以下结构式的一个基团##STR3##其中X是氧原子、硫原子或碳-氮双键,Z是氢原子、1-5个碳原子的烷基基团、1-5个碳原子的烷氧基团、硝基或卤原子;n是2-3的整数;但是,当R.sup.2是上述基团##STR4##时,n为2且R.sup.1为氢原子,或当R.sup.2是上述基团##STR5##时,n为2或3且R.sup.1为氢原子或上述烷基基团及其药用合适的酸盐。