Hydroxyindole derivatives as inhibitors of IL-1 generation. II. Synthesis and pharmacological activities of (E)-3-(7-hydroxy-6-methoxyindole-4-yl)-2-methylpropenoic acid derivatives
作者:M Tanaka、M Okita、H Akamatsu、K Chiba、H Obaishi、N Nagakura、H Sakurai、I Yamatsu
DOI:10.1016/0223-5234(96)89134-3
日期:1996.1
A series of (E)-3-(7-hydroxy-6-methoxyindole-4-yl)-2-methylpropenoic acid derivatives was prepared and the inhibitory activities of its members on IL-1 generation were evaluated in an in vitro system using exudate cells from the rat carboxymethyl cellulose (CMC) induced air-pouch model. All the compounds in this new series were found to be inhibitors of IL-1 generation. In particular, the methoxy-substituted 2-phenyl compounds 28d-f were the most potent inhibitors of IL-1 generation (eg, 28d: IC50 = 0.8 mu M). The compounds in this series also inhibited IL-1 alpha and IL-1 beta generations in an in vitro system using human monocytes stimulated with LPS (eg, 28b: IC50 = 1.4 mu M (IL-1 alpha) and 0.9 mu M (IL-1 beta)).