申请人:OTSUKA PHARMACEUTICAL CO., LTD.
公开号:EP0269859A2
公开(公告)日:1988-06-08
Pyrazolotriazine compounds of the formula:
wherein R¹ is OH or alkanoyloxy; R² is H, OH, or SH; R³ is (1) unsaturated N- or S-containing heterocyclic group optionally having 1-2 substituents of halogen, nitro or phenylthio, (2) naphthyl, (3) phenyl optionally having 1-3 substituents of (i) alkyl, (ii) phenyl, (iii) alkoxycarbonyl, (iv) cyano, (v) nitro, (vi) alkoxy, (vii) phenylalkoxy (viii) phenylthio-alkyl, (ix) phenoxy, (x)
(R is alkyl, halo-substituted alkyl, phenyl optionally having 1-3 substituents, or pyridyl, and ℓ is 0, 1 or 2, (xi) halogen, (xii) phenylalkyl, (xiii) carboxy, (xiv) alkanoyl, (xv) benzoyl optionally having 1-3 substituents, (xvi) amino, (xviii) OH, (xviii) alkanoyloxy, (xix)
said compounds having a xanthine oxidase inhibitory activity and are useful for the prophylaxis and treatment of gout.
式中的吡唑三嗪化合物:
其中 R¹ 是 OH 或烷酰氧基;R² 是 H、OH 或 SH;R³ 是 (1) 不饱和含 N 或 S 的杂环基团,可选择具有 1-2 个卤素、硝基或苯硫基取代基;(2) 萘基;(3) 苯基,可选择具有 1-3 个以下取代基:(i) 烷基;(ii) 苯基;(iii) 烷氧基羰基;(iv) 氰基;(v) 硝基;(vi) 烷氧基;(vii) 苯基烷氧基;(viii) 苯硫基烷基;(ix) 苯氧基;(x) (R)是烷基、卤代烷基、卤代烷基或卤代烷基。
(xi) 卤素,(xii) 苯基烷基,(xiii) 羧基,(xiv) 烷酰基,(xv) 任选具有 1-3 个取代基的苯甲酰基,(xvi) 氨基,(xviii) OH,(xviii) 烷酰氧基,(xix)
所述化合物具有黄嘌呤氧化酶抑制活性,可用于预防和治疗痛风。