Pyrazolo\x9b1,5-a!pyridines \n'
申请人:Kyorin Pharmaceutical Co., Ltd.
公开号:US04097483A1
公开(公告)日:1978-06-27
The present invention provides substituted pyrazolo\x9b1,5-a!pyridine \n' derivatives expressed by a compound of the general formula (I), ##STR1## (wherein: X is hydrogen atom or methyl group; R is hydrogen atom, straight or branched lower alkyl group, lower alkoxy group, lower alkylthio group, dialkylamino group, alkyleneimino group, and morpholino group; R.sub.1 is different from R and is hydrogen atom, straight or branched lower alkyl group, lower alkoxy alkyl group, and dialkylamino group). The compound of the present invention can be prepared by reacting a compound of the general formula (II), ##STR2## in which X and R are as shown hereinbefore, with a compound of the general formula (III), in which R.sub.1 is as shown hereinbefore, R.sub.1 COOH (III) or with a functional derivative of the compound of the general formula (III).
本发明提供了由通式(I)的化合物表达的取代的吡唑并[1,5-a]吡啶衍生物,其中:X为氢原子或甲基基团;R为氢原子、直链或支链低级烷基基团、低级烷氧基基团、低级烷基硫基团、二烷基氨基基团、烷基亚氨基基团和吗啉基团;R1与R不同,为氢原子、直链或支链低级烷基基团、低级烷氧基烷基基团和二烷基氨基基团。本发明的化合物可通过将通式(II)的化合物与通式(III)的化合物反应制备而成,其中X和R如上所示,R1如上所示,R1为COOH或通式(III)的官能衍生物。