申请人:Zeneca Ltd.
公开号:US05334614A1
公开(公告)日:1994-08-02
The invention concerns hydroxylamine derivatives of the formula I ##STR1## wherein R.sup.4 is hydrogen, carbamoyl, (1-4C)alkyl, cyclopentyl, cyclohexyl, tetrahydrofuran-3-yl, tetrahydropyran-4-yl, piperidin-4-yl, N-(1-4C)alkylpiperidin-4-yl, (2-5C)alkanoyl, (1-4C)alkylsulphonyl, N-(1-4C)alkylcarbamoyl, N,N-di-(1-4C)alkylcarbamoyl, phenyl, phenyl-(1-4C)alkyl, di-phenyl-(1-4C)alkyl, benzoyl, phenylsulphonyl or a heteroarylmethyl group; R.sup.5 is hydrogen, (1-4C)alkyl, (3-4C)alkenyl, (3-4C)alkynyl, cyano-(1-4C)alkyl, phenyl or phenyl-(1-4C)alkyl; 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, (3-4C)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 -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.
该发明涉及以下化学式I的羟胺衍生物##STR1##其中R.sup.4是氢、氨基甲酰、(1-4C)烷基、环戊基、环己基、四氢呋喃-3-基、四氢吡喃-4-基、哌啶-4-基、N-(1-4C)烷基哌啶-4-基、(2-5C)烷酰基、(1-4C)烷基磺酰基、N-(1-4C)烷基氨基甲酰基、N,N-二-(1-4C)烷基氨基甲酰基、苯基、苯基-(1-4C)烷基、二苯基-(1-4C)烷基、苯甲酰基、苯基磺酰基或杂环芳基甲基;R.sup.5是氢、(1-4C)烷基、(3-4C)烯基、(3-4C)炔基、氰基-(1-4C)烷基、苯基或苯基-(1-4C)烷基;A.sup.4是(1-4C)烷基;Ar.sup.1是苯撑基、吡啶二基或嘧啶二基;A.sup.1是直链到X.sup.1的连接,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是苯撑基、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、(3-4C)烯基或(3-4C)炔基;而R.sup.2和R.sup.3共同形成一个具有以下结构的基团-A.sup.2-X.sup.2-A.sup.3-其中A.sup.2和A.sup.3中的每一个独立地是(1-3C)烷基,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。