1,5-Disubstituted Indazol-3-ols with Anti-Inflammatory Activity

Autor: Ute Egerland, Ilona Dr Fleischhauer, Hildegard Poppe, Szelenyi I, Jürgen Engel, Rudolf Schindler, Norbert Höfgen, Wolfgang Sauer, Sabine Heer, Bernhard Kutscher
Rok vydání: 1998
Předmět:
Zdroj: Archiv der Pharmazie. 331:13-21
ISSN: 1521-4184
0365-6233
DOI: 10.1002/(sici)1521-4184(199801)331:1<13::aid-ardp13>3.0.co;2-m
Popis: A series of new indazol-3-ol derivatives was synthesized. Some of these compounds exhibit interesting anti-inflammatory activities in various models of inflammation. 5-Methoxy-1-[quinoline-2-yl-methoxy)-benzyl]-1H-indazol-3-ol (27) strongly inhibits the oxidation of arachidonic acid to 5-hydroperoxyeicosatetraenoic acid catalyzed by 5-lipoxygenase (IC50 = 44 nM). 27 also inhibits the contraction of sensitized guinea pig tracheal segments (IC50 = 2.9 microM). In guinea pigs treated with 27 (1 mg/kg i.p.) 2 h before antigen provocation, there was a marked inhibition (47%) of the antigen-induced airway eosinophilia. After topical application of 1 microgram/ear 27 inhibits the arachidonic acid induced mouse ear edema (41%).
Databáze: OpenAIRE