申请人:Takeda Chemical Industries, Ltd.
公开号:US05496835A1
公开(公告)日:1996-03-05
This invention relates to a compound represented by the formula ##STR1## wherein the ring A stands for a 5-10 membered aromatic heterocyclic group optionally having, besides R.sup.1 and R.sup.2, further substituents; R.sup.1 stands for an optionally substituted hydrocarbon residue which is optionally bonded through a hetero-atom; R.sup.2 stands for a group capable of liberating proton in a living body or a group convertible thereinto; R.sup.3 stands for an 5-7 membered optionally substituted heterocyclic residue having, as a group capable of constituting the ring, carbonyl group, thiocarbonyl group, an optionally oxidized sulfur atom or a group convertible into them; X shows that the ring Y and the ring W are bonded to each other directly or through a spacer having an atomic length of two or less; the ring W and the ring Y are each an optionally substituted aromatic hydrocarbon or aromatic heterocyclic residue; and n denotes an integer of 1 to 3, or a salt thereof and to an angiotensin II antagonistic agent containing the compound (I) or a salt thereof.
本发明涉及一种化合物,其公式表示为##STR1##其中环A代表一个5-10成员的芳香杂环基团,该基团除了R.sup.1和R.sup.2之外,还可以有其他取代基;R.sup.1代表一个可选取代的碳氢基团,该碳氢基团可以通过杂原子键合;R.sup.2代表能够在生物体中释放质子或可转化为该基团的基团;R.sup.3代表一个5-7成员的可选取代杂环残基,作为构成环的基团,其可以是羰基基团、硫代羰基基团、可选氧化硫原子或可转化为它们的基团;X表示环Y和环W直接或通过原子长度为2或更短的间隔子相互键合;环W和环Y分别为可选取代的芳香烃或芳香杂环残基;n表示1到3的整数,或其盐,并且涉及含有化合物(I)或其盐的血管紧张素II拮抗剂。