Studies on Antiulcer Drugs. III. Synthesis and Antiulcer Activities of Imidazo(1,2-a)pyridinylethylbenzoxazoles and Related Compounds. A Novel Class of Histamine H2-Receptor Antagonists.
作者:Yousuke KATSURA、Yoshikazu INOUE、Sigetaka NISHINO、Masaaki TOMOI、Harunobu ITOH、Hisashi TAKASUGI
DOI:10.1248/cpb.40.1424
日期:——
A series of imidazo[1,2-a]pyridinylalkylbenzoxazole derivatives was synthesized and tested for histamine H2-receptor antagonist, gastric antisecretory and antiulcer activities. Some of 2-amino-6-[2-(imidazo[1,2-a]pyridin-2-yl)ethyl]benzoxazole derivatives were found to have good pharmacological activities. Among them, 2-amino-6-[2-(7-methoxy-3-methylimidazo[1,2-a]pyridin-2-yl)ethyl] benzoxazole (II-11)
合成了一系列咪唑并[1,2-a]吡啶基烷基苯并恶唑衍生物,并测试了其对组胺H2受体拮抗剂,胃的抗分泌和抗溃疡活性。发现某些2-氨基-6- [2-(咪唑并[1,2-a]吡啶-2-基)乙基]苯并恶唑衍生物具有良好的药理活性。其中,2-氨基-6- [2-(7-甲氧基-3-甲基咪唑并[1,2-a]吡啶-2-基)乙基]苯并恶唑(II-11)和2-乙酰氨基-6- [2 -(7-甲基咪唑并[1,2-a]吡啶-2-基)乙基]苯并恶唑(II-38)显示出有效的抗分泌和细胞保护活性。讨论了这些化合物的构效关系。