申请人:ZENECA LIMITED
公开号:EP0570197A1
公开(公告)日:1993-11-18
The invention concerns hydroxylamine derivatives of the formula I
wherein R⁴ 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;
R⁵ is hydrogen, (1-4C)alkyl, (3-4C)alkenyl, (3-4C)alkynyl, cyano-(1-4C)alkyl, phenyl or phenyl-(1-4C)alkyl;
A⁴ is (1-4C)alkylene;
Ar¹ is phenylene, pyridinediyl or pyrimidinediyl;
A¹ is a direct link to X¹, or A¹ is (1-4C)alkylene;
X¹ is oxy, thio, sulphinyl or sulphonyl;
Ar² is phenylene, pyridinediyl, pyrimidinediyl, thiophenediyl, furandiyl or thiazolediyl;
R¹ is hydrogen, (1-4C)alkyl, (3-4C)alkenyl or (3-4C)alkynyl; and
R² and R³ together form a group of the formula -A²-X²-A³- wherein each of A² and A³ is independently (1-3C)alkylene and X² 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.
本发明涉及式 I 的羟胺衍生物
其中 R⁴是氢、氨基甲酰基、(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、苯基磺酰基或杂芳基甲基;
R⁵ 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;
A⁴ 是(1-4C)亚烷基;
Ar¹ 是亚苯基、吡啶二基或嘧啶二基;
A¹ 与 X¹ 直接相连,或 A¹ 为 (1-4C) 亚烷基;
X¹ 是氧基、硫代、亚砜基或磺酰基;
Ar² 是亚苯基、吡啶二基、嘧啶二基、噻吩二基、呋喃二基或噻唑二基;
R¹ 是氢、(1-4C)烷基、(3-4C)烯基或(3-4C)炔基;以及
R² 和 R³ 共同组成式 -A²-X²-A³- 的基团,其中 A² 和 A³ 独立地各自为 (1-3C)亚烷基,X² 为氧基、硫代、亚砜基、磺酰基或亚氨基;
或其药学上可接受的盐;
它们的制造工艺;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。