申请人:Imperial Chemical Industries PLC
公开号:US05298511A1
公开(公告)日:1994-03-29
The invention concerns alkanoic acid derivatives of the formula I ##STR1## wherein Ar.sup.1 is optionally-substituted phenyl or naphthyl, or a 10-membered bicyclic heterocyclic moiety containing one or two nitrogen heteroatoms and optionally containing a further heteroatom selected from nitrogen, oxygen and sulphur; A.sup.1 is a direct link to X.sup.1 or is (1-3 C)alkylene; X.sup.1 is oxy, thio, sulphinyl or sulphonyl; n is 0, 1 or 2 and R.sup.1 is halogeno, (1-4 C)alkyl, (1-4 C)alkoxy or fluoro-(1-4 C)alkyl; each of R.sup.2 and R.sup.3 is (1-4 C)alkyl, (2-4 C)alkenyl or (2-4 C)alkynyl; and R.sup.4 is hydrogen or (1-4 C)alkyl; or a pharmaceutically-acceptable salt thereof; processes for their manufacture; pharmaceutical compositions containing them and their use as 5-lipoxygenase inhibitors.
该发明涉及式I的烷酸衍生物##STR1##其中Ar.sup.1是可选择取代的苯基或萘基,或者是含有一个或两个氮杂原子的10元杂环的双环杂环基,且可选择地含有来自氮、氧和硫的进一步杂原子;A.sup.1是直接连接到X.sup.1或是(1-3 C)烷基;X.sup.1是氧、硫、亚硫酰基或磺酰基;n为0、1或2,R.sup.1是卤代、(1-4 C)烷基、(1-4 C)烷氧基或氟代-(1-4 C)烷基;R.sup.2和R.sup.3分别是(1-4 C)烷基、(2-4 C)烯基或(2-4 C)炔基;R.sup.4是氢或(1-4 C)烷基;或其药学上可接受的盐;它们的制备方法;含有它们的药物组合物以及它们作为5-脂氧合酶抑制剂的用途。