Nitrogen-containing heterocyclic carboxamide derivatives or salts thereof and antiviral agents comprising the same
申请人:——
公开号:US20020013316A1
公开(公告)日:2002-01-31
Nitrogen-containing heterocyclic carboxamide derivatives represented by the following general formula:
1
wherein ring A is a substituted or unsubstituted pyrazine, pyrimidine, pyridazine or triazine ring; R
1
is O or OH; R
2
is a hydrogen atom, an acyl group or a substituted or unsubstituted carbamoylalkyl or carboxyalkyl group; and the broken line represents a single bond or a double bond; or salts thereof are useful for preventing and treating virus infections and especially influenza virus infections.
以下通用公式代表的含氮杂环羧酰胺衍生物:其中环A是取代或未取代的吡啶、嘧啶、吡啉嗪或三嗪环;R1是O或OH;R2是氢原子、酰基或取代或未取代的氨基烷基或羧基烷基;断裂线表示单键或双键;或其盐对于预防和治疗病毒感染,特别是流感病毒感染是有用的。