申请人:Zeneca Limited
公开号:US05453439A1
公开(公告)日:1995-09-26
The invention concerns hydroxylamine derivatives of the formula I ##STR1## wherein R.sup.4 is hydrogen, carbamoyl, (1-4C)alkyl, (2-5C)alkanoyl, N-(1-4C)alkylcarbamoyl, N,N-di-(1-4C)alkylcarbamoyl, benzoyl or phenylsulphonyl; R.sup.5 includes hydrogen, (1-4C)alkyl and (2-5C)alkanoyl; R.sup.6 is hydrogen, (1-4C)alkyl, phenyl or phenyl-(1-4C)alkyl; R.sup.7 is hydrogen or (1-4C)alkyl; Ar.sup.1 is phenylene; 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, thiazolediyl, oxazolediyl, thiadiazolediyl or oxadiazolediyl; 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 define a ring having 5 or 6 ring atoms, 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.
该发明涉及公式I的羟胺衍生物,其中R.sup.4是氢、氨基甲酰、(1-4C)烷基、(2-5C)烷酰基、N-(1-4C)烷基氨基甲酰基、N,N-二-(1-4C)烷基氨基甲酰基、苯甲酰基或苯基磺酰基;R.sup.5包括氢、(1-4C)烷基和(2-5C)烷酰基;R.sup.6是氢、(1-4C)烷基、苯基或苯基-(1-4C)烷基;R.sup.7是氢或(1-4C)烷基;Ar.sup.1是苯基;A.sup.1是与X.sup.1直接连接,或A.sup.1是(1-4C)烷基;X.sup.1是氧、硫、亚砜基或磺酰基;Ar.sup.2是苯基、吡啶二基、嘧啶二基、噻吩二基、呋喃二基、噻唑二基、噁唑二基、噻二唑二基或噁二唑二基;R.sup.1是(1-4C)烷基、(3-4C)烯基或(3-4C)炔基;R.sup.2和R.sup.3一起形成一个--A.sup.2--X.sup.2--A.sup.3--的基团,其中A.sup.2和A.sup.3与其连接的碳原子一起定义具有5或6个环原子的环,其中每个A.sup.2和A.sup.3独立地是(1-3C)烷基和X.sup.2是氧、硫、亚砜基、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。