3-Aryl-5-pyrazole-carboxylic-acid derivatives, their preparation and pharmaceutical compositions
申请人:ELI LILLY AND COMPANY
公开号:EP0112623A2
公开(公告)日:1984-07-04
Pyrazole derivatives of formula (I):
wherein R' is hydrogen or methyl; Ar is pyridyl, thienyl, or optionally substituted phenyl; X is NH2, H, OH, halogen or C1-3 alkyl; and R is OH, OM, O-alk, NH2, NH-alk, N(alk)2 or N-alken-N-(alk)2; wherein alk is C1-5 alkyl; alken is (CH2)2 or (CH2)3 and M is a non-toxic cation; are useful in lowering blood urate levels in mammals.
式 (I) 的吡唑衍生物:
其中 R' 是氢或甲基;Ar 是吡啶基、噻吩基或任选取代的苯基;X 是 NH2、H、OH、卤素或 C1-3 烷基;R 是 OH、OM、O-alk、NH2、NH-alk、N(alk)2 或 N-烯-N-(alk)2;其中烷是 C1-5 烷基;烯是 (CH2)2 或 (CH2)3,M 是无毒阳离子。