申请人:Zeneca Limited
公开号:US05376680A1
公开(公告)日:1994-12-27
The invention concerns oxime derivatives of the formula I ##STR1## wherein R.sup.4 is hydrogen, (1-4C)alkyl, halogeno-(2-4C)alkyl, hydroxy-(2-4C)alkyl, cyano-(1-4C)alkyl, phenyl or phenyl-(1-4C)alkyl; R.sup.5 is hydrogen, (1-4C)alkyl, halogeno-(2-4C)alkyl, hydroxy-(2-4C)alkyl, cyano-(1-4C)alkyl, phenyl or phenyl-(1-4C)alkyl, or a heteroaryl moiety selected from pyridyl, pyrimidinyl, pyrazinyl, pyridazinyl, furyl, thienyl, oxazolyl and thiazolyl; A.sup.4 is (1-4C)alkylene; Ar.sup.1 is phenylene, pyridinediyl or pyrimidinediyl; A.sup.1 is a direct link to X.sup.1 or A.sup.1 is (1-4C)alkylene; X.sup.1 is oxy, thio, sulphinyl or sulphonyl; Ar.sup.2 is phenylene, pyridinediyl, pyrimidinediyl, thiophenediyl, furandiyl or thiazolediyl; R.sup.1 is hydrogen, (1-4C)alkyl, (3-C)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 -- wherein each of A.sup.2 and A.sup.3 is independently (1-3C)alkylene and X.sup.2 is oxy, thio, sulphinyl, sulphonyl or imino; 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的肟衍生物##STR1##其中R.sup.4是氢,(1-4C)烷基,卤代-(2-4C)烷基,羟基-(2-4C)烷基,氰基-(1-4C)烷基,苯基或苯基-(1-4C)烷基;R.sup.5是氢,(1-4C)烷基,卤代-(2-4C)烷基,羟基-(2-4C)烷基,氰基-(1-4C)烷基,苯基或苯基-(1-4C)烷基,或从吡啶基,嘧啶基,吡嗪基,吡啶并嗪基,呋喃基,噻吩基,噁唑基和噻唑基中选择的杂芳基;A.sup.4是(1-4C)烷基;Ar.sup.1是苯基,吡啶二基或嘧啶二基;A.sup.1是直接连接到X.sup.1或A.sup.1是(1-4C)烷基;X.sup.1是氧,硫,亚硫酰基或磺酰基;Ar.sup.2是苯基,吡啶二基,嘧啶二基,噻吩二基,呋喃二基或噻唑二基;R.sup.1是氢,(1-4C)烷基,(3-C)烯基或(3-4C)炔基;而R.sup.2和R.sup.3一起形成式--A.sup.2--X.sup.2--A.sup.3--的基团,其中每个A.sup.2和A.sup.3独立地是(1-3C)烷基,而X.sup.2是氧,硫,亚硫酰基,磺酰基或亚胺;或其药学上可接受的盐;其制备方法;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。