申请人:Bayer Aktiengesellschaft
公开号:US04051252A1
公开(公告)日:1977-09-27
3-Aminoindazoles bearing a carbo(lower alkoxy), lower alkylamide or di(lower alkyl)amide group in the 1-or 2-position and further being optionally substituted in one or more of the 4-, 5-, 6- and/or 7-positions are analgesic, anti-inflammatory and antipyretic agents. The compounds, of which 3-amino-6-chloroindazole-1-carboxylic acid ethyl ester is a typical embodiment, are prepared through treatment of the appropriate 3-aminoindazole with a derivative of carbonic acid or through thermal isomerization.
1-或2-位上带有羧基(较低的烷氧基)、较低的烷基酰胺或二(较低烷基)酰胺基团的3-氨基吲唑,可选地在4、5、6和/或7位上进一步取代,具有镇痛、抗炎和退热作用。这些化合物,其中3-氨基-6-氯吲唑-1-羧酸乙酯是典型的实施例,通过将适当的3-氨基吲唑与碳酸衍生物处理或通过热异构化制备。