OPTICALLY ACTIVE CONDENSED PYRAZOLE COMPOUND FOR USE IN TREATING THROMBOCYTOPENIA AND ERYTHROPENIA
申请人:YOSHITOMI PHARMACEUTICAL INDUSTRIES, LTD.
公开号:EP0641564A1
公开(公告)日:1995-03-08
A remedy for thrombocytopenia or erythropenia containing as the active ingredient a condensed pyrazole compound represented by general formula (I), an optical isomer thereof, or a pharmaceutically acceptable salt thereof, wherein X represents N or CH; R represents hydrogen, alkyl, alkoxy or halogen; Y¹ represents (α) or optionally substituted phenyl; Y² represents (β), -A²-B², hydrogen, alkyl, optionally substituted phenylalkyl, optionally substituted phenyl, alkoxyalkyl, hydroxyalkyl, alkoxycarbonylalkyl, carboxyalkyl or acyloxyalkyl; Z¹ and Z² represent each -O-, -S- or -NR³-, wherein R³ represents hydrogen or alkyl; A¹ and A² represent each alkylene; B¹ and B² represent each carboxy, alkoxycarbonyl, optionally substituted phenylalkoxycarbonyl, acyl, OH, acyloxy, -NR¹R² or -CONR¹R², wherein R¹ and R² represent each hydrogen, alkyl, dialkylaminoalkyl or hydroxyalkyl, or alternatively R¹ and R² represent, together with the adjacent nitrogen atom, a heterocyclic group; and L¹ and L² represent each hydrogen, halogen, alkyl or alkoxy.
一种治疗血小板减少症或红细胞减少症的药物,含有通式(I)代表的缩合吡唑化合物、其光学异构体或其药学上可接受的盐作为活性成分,其中X代表N或CH;R代表氢、烷基、烷氧基或卤素;Y¹代表(α)或任选取代的苯基;Y²代表(β)、-A²-B²、氢、烷基、任选取代的苯基烷基、任选取代的苯基、烷氧基烷基、羟基烷基、烷氧基羰基烷基、羧基烷基或酰氧基烷基;Z¹ 和 Z² 分别代表-O-、-S-或-NR³-,其中 R³ 代表氢或烷基; A¹ 和 A² 分别代表亚烷基;B¹ 和 B² 分别代表羧基、烷氧基羰基、任选取代的苯基烷氧基羰基、酰基、OH、酰氧基、-NR¹R² 或 -CONR¹R²,其中 R¹ 和 R² 分别代表氢、烷基、二烷基氨基烷基或羟基烷基,或者 R¹ 和 R² 与相邻的氮原子一起代表杂环基团;以及 L¹ 和 L² 分别代表氢、卤素、烷基或烷氧基。