申请人:PFIZER INC.
公开号:EP0789021A1
公开(公告)日:1997-08-13
A compound of the following formula:
and its pharmaceutically acceptable salt thereof, wherein
R1 and R2 are independently hydrogen, C1-4 alkyl, C3-7 cycloalkyl, C2-4 alkenyl, C1-4 alkoxy-C1-4 alkyl, C1-4 alkylthio-C1-4 alkyl, phenyl, phenyl-C1-4alkyl, halo-substituted C1-4 alkyl, C3-7 cycloalkyl-C1-3 alkyl or hydroxy-C1-4alkyl ; or R1 and R2 are taken together with the nitrogen to which they are attached and form optionally substituted, saturated or unsaturated 3-, 4-, 5-, 6- or 7- membered heterocyclic cantaining one to two heteroatoms, provided that the heterocyclic is not pyrrolidinyl;
R3 ishydrogen, C1-4 alkyl or a hydroxy protecting group;
Ar isoptionally substituted phenyl or phenyl-C1-3 alkyl; and
X isoptionally substituted phenyl, naphthyl, biphenyl, indanyl, benzofuranyl, benzothiophenyl, 1-tetralone-6-yl, C1-4 alkylenedioxy, pyridyl, furyl or thienyl.
These compounds and pharmaceutical compositions containing them are useful as analgesic, antiinflammatory, diuretic, antitussive, anesthetic or neuroprotective agents, or an agent for treatment of stroke or functional bowel disease such as abdominal pain, for the treatment of a mammalian subject, especially a human subject.
下式化合物
及其药学上可接受的盐,其中
R1 和 R2 独立地为氢、C1-4 烷基、C3-7 环烷基、C2-4 烯基、C1-4 烷氧基-C1-4 烷基、C1-4 硫代烷基-C1-4 烷基、苯基、苯基-C1-4 烷基、卤代 C1-4 烷基、C3-7 环烷基-C1-3 烷基或羟基-C1-4 烷基;或 R1 和 R2 与它们所连接的氮一起形成任选取代的、饱和或不饱和的 3-、4-、5-、6-或 7-成员杂环,其中含有一至两个杂原子,条件是该杂环不是吡咯烷基;
R3 是氢、C1-4 烷基或羟基保护基团;
Ar 是任选取代的苯基或苯基-C1-3 烷基;以及
X 是任选取代的苯基、萘基、联苯基、茚基、苯并呋喃基、苯并噻吩基、1-四氢萘-6-基、C1-4 烷二氧基、吡啶基、呋喃基或噻吩基。
这些化合物和含有它们的药物组合物可用作镇痛剂、抗炎剂、利尿剂、止咳剂、麻醉剂或神经保护剂,或治疗中风或功能性肠病(如腹痛)的药物,用于治疗哺乳动物,特别是人类。