Synthetic Studies on Condensed-Azole Derivatives. III. Synthesis and Anti-asthmatic Activities of C-Substituted Alkyl Side Chain Derivatives of .OMEGA.-Sulfamoylalkylthioimidazo(1,2-b)pyridazines and Related Compounds.
作者:Masaaki KUWAHARA、Yasuhiko KAWANO、Hiroshi SHIMAZU、Hiroaki YAMAMOTO、Yasuko ASHIDA、Akio MIYAKE
DOI:10.1248/cpb.43.1516
日期:——
A series of novel alkylthioimidazo[1,2-b]pyridazines was synthesized and evaluated for ability to inhibit platelet activating factor (PAF)-induced bronchoconstriction in guinea pigs. Among them, 3-(imidazo[1,2-b]pyridazin-6-yl)thio-2,2-dimethylpropanesulfona mide (15) showed the most potent inhibitory effect. The structure-activity relationships in this series of compounds, in particular, the effects
合成了一系列新颖的烷基硫代咪唑并[1,2-b]哒嗪,并评估了其抑制血小板活化因子(PAF)诱导的豚鼠支气管收缩的能力。其中,3-(咪唑并[1,2-b]哒嗪-6-基)硫代-2,2-二甲基丙烷磺酰胺(15)表现出最强的抑制作用。该系列化合物的结构活性关系,特别是咪唑并哒嗪环转化为其他杂环,在咪唑并哒嗪环的2或3位引入取代基以及将取代基引入环氧基的影响。还讨论了烷基侧链。