申请人:Pfizer Inc
公开号:US05952369A1
公开(公告)日:1999-09-14
A compound of formula (I) ##STR1## and its pharmaceutically acceptable salt, wherein A is hydrogen or OY, wherein Y is a hydroxy protecting group; Ar is phenyl optionally substituted with one or more substituents selected from halo, hydroxy, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, CF.sub.3, C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkyloxy and carboxy-C.sub.1 -C.sub.4 alkyloxy; X is phenyl, naphthyl, biphenyl, indanyl, benzofuranyl, benzothiophenyl, 1-tetralone-6-yl,C.sub.1 -C.sub.4 alkylenedioxy, pyridyl, furyl and thienyl these groups optionally being substituted with up to three substituents selected from halo, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, hydroxy, NO.sub.2, CF.sub.3 and SO.sub.2 CH.sub.3 ; and R is hydrogen, C.sub.1 -C.sub.4 alkyl or a hydroxy protecting group. These compounds and pharmaceutical compositions containing them are useful as analgesic, anti-inflammatory, diuretic, anesthetic or neuroprotective agents, or an agent for stroke or treatment of functional bowel diseases such as abdominal pain, for the treatment of a mammalian subject, especially a human subject. Further, the present invention provides processes for producing the hydroxamic compounds of formula (I) and their intermediate compounds of the formula. ##STR2##
式(I)的化合物及其药学上可接受的盐,其中A为氢或OY,Y为一个羟基保护基团;Ar为苯基,可选择地取代为来自卤素、羟基、C.sub.1 -C.sub.4烷基、C.sub.1 -C.sub.4烷氧基、CF.sub.3、C.sub.1 -C.sub.4烷氧基-C.sub.1 -C.sub.4烷氧基和羧基-C.sub.1 -C.sub.4烷氧基的一个或多个取代基;X为苯基、萘基、联苯基、茚基、苯并呋喃基、苯并噻吩基、1-四氢萘-6-基、C.sub.1 -C.sub.4烷二氧基基、吡啶基、呋喃基和噻吩基,这些基团可选择地取代为最多三个来自卤素、C.sub.1 -C.sub.4烷基、C.sub.1 -C.sub.4烷氧基、羟基、NO.sub.2、CF.sub.3和SO.sub.2CH.sub.3的取代基;R为氢、C.sub.1 -C.sub.4烷基或一个羟基保护基团。这些化合物和含有它们的药物组合物可用作镇痛、抗炎、利尿、麻醉或神经保护剂,或用作中风或治疗腹痛等功能性肠道疾病的药物,用于治疗哺乳动物受体,特别是人类受体。此外,本发明提供了生产式(I)的羟肟化合物及其中间化合物的方法。