申请人:IMPERIAL CHEMICAL INDUSTRIES PLC
公开号:EP0409413A2
公开(公告)日:1991-01-23
The invention concerns a diaryl ether heterocycle of the formula I, or a pharmaceutically-acceptable salt thereof,
wherein Ar¹ is optionally substituted phenyl or naphthyl;
X¹ is oxy, thio, sulphinyl or sulphonyl;
Ar² is optionally substituted phenylene, or a 6-membered heterocyclene moiety containing up to three nitrogen atoms;
R¹ is (1-6C)alkyl, (3-6C)alkenyl, (3-6C)alkynyl, cyano-(1-4C)alkyl or (2-4C)alkanoyl, or optionally substituted benzoyl; and
R² and R³ together form a group of the formula -A²-X²-A³- wherein each of A² and A³ is (1-4C)alkylene and X² is oxy, thio, sulphinyl, sulphonyl or imino.
The invention also concerns processes for the manufacture of a diaryl ether heterocycle of the formula I, or a pharmaceutically-acceptable salt thereof, and pharmaceutical compositions containing said heterocycle. The compounds of the invention are inhibitors of the enzyme 5-lipoxygenase.
本发明涉及式 I 的二芳基醚杂环或其药学上可接受的盐、
其中 Ar¹ 是任选取代的苯基或萘基;
X¹ 是氧基、硫代、亚砜基或磺酰基;
Ar² 是任选取代的亚苯基,或含有最多三个氮原子的 6 元杂环分子;
R¹ 是(1-6C)烷基、(3-6C)烯基、(3-6C)炔基、氰基-(1-4C)烷基或(2-4C)烷酰基,或任选取代的苯甲酰基;和
R² 和 R³ 共同组成式 -A²-X²-A³- 的基团,其中 A² 和 A³ 均为 (1-4C)亚烷基,X² 为氧基、硫代、亚砜基、磺酰基或亚氨基。
本发明还涉及式 I 的二芳基醚杂环或其药学上可接受的盐的生产工艺,以及含有所述杂环的药物组合物。本发明的化合物是 5-脂氧合酶的抑制剂。