📜7-Oxo-1,4-Dihydropyrazolo[4,3-B]Pyridine-6-Carboxylic Acid置于氮,Petrol,Crude Product,乙醇乙醚体系中,用 二苯醚-联苯共晶,Petrol 作为反应溶剂,化学反应 2.5H,以gave The Title Compound As Very Fine Needles,M.P.>320oc.的收率获得产物1,4-二氢-7H-吡唑并[4,3-B]吡啶-7-酮
参考文献:Pyrazolopyridine Derivatives Useful In Treating Inflammation And
标题:Pyrazolopyridine Derivatives Useful In Treating Inflammation And
摘要:化合物式为(i)或其盐的化合物: ##str1## 其中: R1为氢,C1-6烷基或苯基,可选用卤素,Cf3,C1-4烷氧基或c1-4烷基取代; R2为氢或c1-6烷基; R3为c2-10烯基或c1-10烷基,取代基为羟基,C1-4烷氧基,硫醇,C1-4烷基硫基或nr7R8,其中r7和r8独立地为氢或c1-6烷基,或者一起为c3-6聚亚甲基; R4和r5独立地为氢或c1-4烷基; R6为氢,或附加在氮原子1或2处的c1-4烷基或苄基; 具有抗炎和/或抗过敏活性.