申请人:IMPERIAL CHEMICAL INDUSTRIES PLC
公开号:EP0284174A1
公开(公告)日:1988-09-28
The invention concerns pharmaceutical compositions containing a 1,2-dihydro-3H-indazol-3-one derivative of the formula I
wherein Ra is hydrogen, halogeno, nitro, hydroxy, (2-6C)alkanoyloxy, (1-6C)alkyl, (1-6C)alkoxy, fluoro-(1-4C)alkyl, (2-6C)alkanoyl, amino, (1-6C)alkylamino, di-[(1-4C)alkyl]amino, (2-6C)alkanoylamino or hydroxy-(1-6C)alkyl; Rb is hydrogen, halogeno, (1-6C)alkyl or (1-6C)alkoxy; and Y is a group of the formula -A¹-X-A²-Q in which A¹ is (1-6C)alkylene, (3-6C)alkenylene, (3-6C)alkynylene or cyclo(3-6C)alkylene, or A¹ is phenylene; X is oxy, thio, sulphinyl, sulphonyl, imino, (1-6C)alkylimino, (1-6C)alkanoylimino, iminocarbonyl or phenylene, or X is a direct link to A²; A² is (1-6C)alkylene, (3-6C)alkenylene or (3-6C)alkynylene or A² is cyclo(3-6C)alkylene or is a direct link to Q, or the group A¹-X-A² is a direct link to Q; or Y is (2-10)alkyl, (3-10C)alkenyl or (3-6C)alkynyl; and Q is aryl or heteroaryl.
The invention also provides novel 1,2-dihydro-3H-indazol-3-ones, processes for their production and the use of 1,2-dihydro-3H-indazol-3-one for the manufacture of medicaments for the treatment of various allergic and inflammatory diseases.
本发明涉及含有式 I 的 1,2-二氢-3H-吲唑-3-酮衍生物的药物组合物
其中Ra是氢、卤素、硝基、羟基、(2-6C)烷酰氧基、(1-6C)烷基、(1-6C)烷氧基、氟-(1-4C)烷基、(2-6C)烷酰基、氨基、(1-6C)烷基氨基、二[(1-4C)烷基]氨基、(2-6C)烷酰氨基或羟基-(1-6C)烷基;Rb 是氢、卤素、(1-6C)烷基或 (1-6C)烷氧基;以及 Y 是式 -A¹-X-A²-Q 的基团,其中 A¹ 是 (1-6C)亚烷基、(3-6C)烯基、(3-6C)炔基或环(3-6C)亚烷基,或 A¹ 是亚苯基;X 是氧基、硫代、亚砜基、磺酰基、亚氨基、(1-6C)烷基亚氨基、(1-6C)烷酰亚氨基、亚氨基羰基或亚苯基,或 X 是与 A² 的直接连接;A²是(1-6C)亚烷基、(3-6C)亚烯基或(3-6C)亚炔基,或A²是环(3-6C)亚烷基,或与Q直接相连,或基团A¹-X-A²与Q直接相连;或Y是(2-10)烷基、(3-10C)亚烯基或(3-6C)亚炔基;且Q是芳基或杂芳基。
本发明还提供了新型 1,2-二氢-3H-吲唑-3-酮、其生产工艺以及 1,2-二氢-3H-吲唑-3-酮用于制造治疗各种过敏性和炎症性疾病的药物。