申请人:Teikoku Hormone Mfg. Co., Ltd.
公开号:US06511997B1
公开(公告)日:2003-01-28
Aminopyrazole derivatives represented by formula (I), or salts thereof, wherein X1 and X2 are each a hydrogen atom or a halogen atom, or X1 and X2 may be united together to form a lower alkylenedioxy group, Q is a pyridyl group or a quinolyl group, R1 is a hydrogen atom, a substituted or unsubstituted lower alkyl or aryl group, R2 is a hydrogen atom, a lower alkyl group, or an aralkyl group, and R3 represents a hydrogen atom, an organic sulfonyl group, or —C(═Y)—R4 in which R4 is a hydrogen atom or an organic residue and Y is an oxygen or sulfur atom, provided that, when R3 is a hydrogen atom, R1 is a group other than a hydrogen atom and R2 is a hydrogen atom. These amimopyrazole derivatives or their salts have excellent p38MAP kinase inhibiting activities and are hence useful in the prevention or treatment of diseases associated with tumor necrosis sis factor &agr;, interleukin 1, interleukin 6 or cyclooxygenase II.
Aminopyrazole衍生物的化学式(I)或其盐,其中X1和X2分别为氢原子或卤素原子,或X1和X2可以结合在一起形成较低的烷二氧基基团,Q为吡啶基团或喹啉基团,R1为氢原子、取代或未取代的较低烷基或芳基,R2为氢原子、较低烷基或芳基,R3代表氢原子、有机磺酰基团,或—C(═Y)—R4,其中R4为氢原子或有机残基,Y为氧原子或硫原子,前提是当R3为氢原子时,R1是除氢原子以外的基团,且R2为氢原子。这些氨基吡唑衍生物或其盐具有优异的p38MAP激酶抑制活性,因此在预防或治疗与肿瘤坏死因子&agr;、白细胞介素1、白细胞介素6或环氧合酶II相关的疾病中非常有用。