申请人:Imperial Chemical Industries PLC
公开号:US05137913A1
公开(公告)日:1992-08-11
The invention concerns a diaryl ether cyclic ether of the formula I, or a pharmaceutically-acceptable salt thereof, ##STR1## wherein Ar.sup.1 is optionally substituted phenyl or naphthyl; X.sup.1 is oxy, thio, sulphinyl or sulphonyl; Ar.sup.2 is optionally substituted phenylene, or a 6-membered heterocyclene moiety containing up to three nitrogen atoms; R.sup.1 and R.sup.2 together form a group of the formula --A.sup.2 --X.sup.2 --A.sup.3 -- wherein each of A.sup.2 and A.sup.3 is (1-4C) alkylene and X.sup.2 is oxy, thio, sulphinyl, sulphonyl or imino; and R.sup.3 is (1-6C)alkyl, (2-6C)alkenyl, (2-6C)alkynyl and substituted (1-4C)alkyl. The invention also concerns processes for the manufacture of a diaryl ether cyclic ether of the formula I, or a pharmaceutically-acceptable salt thereof, and pharmaceutical compositions containing said cyclic ether. The compounds of the invention are inhibitors of the enzyme 5-lipoxygenase.
该发明涉及一种具有以下式I的二芳基醚环氧化物,或其药用可接受的盐,其中Ar.sup.1是可选取代的苯基或萘基;X.sup.1是氧、硫、亚硫酰基或磺酰基;Ar.sup.2是可选取代的苯基,或含有最多三个氮原子的6元杂环烃基;R.sup.1和R.sup.2共同形成具有以下式的基团--A.sup.2--X.sup.2--A.sup.3--,其中A.sup.2和A.sup.3中的每一个均为(1-4C)烷基,并且X.sup.2是氧、硫、亚硫酰基、磺酰基或亚胺;而R.sup.3是(1-6C)烷基、(2-6C)烯基、(2-6C)炔基和取代的(1-4C)烷基。该发明还涉及一种制备具有上述式I的二芳基醚环氧化物,或其药用可接受的盐的方法,以及含有该环氧化物的药物组合物。该发明的化合物是5-脂氧合酶的抑制剂。