申请人:Imperial Chemical Industries PLC
公开号:US05321025A1
公开(公告)日:1994-06-14
The invention concerns a bicyclic heterocyclic compound of the formula I ##STR1## wherein Q is an optionally substituted 10-membered bicyclic heterocyclic moiety containing 1 or 2 N's and a further O or S heteroatom; A.sup.1 is a direct link to X.sup.1 or (1-3C)alkylene; X.sup.1 is oxy, thio, sulphinyl, sulphonyl or imino; Ar is optionally substituted phenylene or pyridylene; R.sup.1 is (1-4C)alkyl, (3-4C)alkenyl or (3-4C)alkynyl; and R.sup.2 and R.sup.3 together form a group of the formula -A.sup.2 -X.sup.2 -A.sup.3 - which, together with the carbon atom to which A.sup.2 and A.sup.3 are attached, defines a ring having 5 to 7 ring atoms, wherein each of A.sup.2 and A.sup.3 is (1-3C)alkylene and X.sup.2 is oxy, thio, sulphinyl or sulphonyl; or a pharmaceutically-acceptable salt thereof. The compounds of the invention are inhibitors of the enzyme 5-lipoxygenase.
本发明涉及一种公式I的双环杂环化合物:##STR1## 其中Q是可选取的含有1或2个N和进一步的O或S杂原子的10元双环杂环基团;A.sup.1是直接连接到X.sup.1或(1-3C)烷基的链;X.sup.1是氧、硫、亚砜、磺酰或亚胺基;Ar是可选取的取代苯基或吡啶基;R.sup.1是(1-4C)烷基、(3-4C)烯基或(3-4C)炔基;而R.sup.2和R.sup.3共同形成一个公式-A.sup.2-X.sup.2-A.sup.3-的基团,其中,与A.sup.2和A.sup.3相连的碳原子一起定义了一个具有5到7个环原子的环,其中,A.sup.2和A.sup.3中的每一个都是(1-3C)烷基链,而X.sup.2是氧、硫、亚砜或磺酰;或其药学上可接受的盐。本发明的化合物是5-脂氧合酶酶的抑制剂。