Anti-<i>Helicobacter </i><i>p</i><i>ylori</i> Agents. 4. 2-(Substituted guanidino)-4-phenylthiazoles and Some Structurally Rigid Derivatives
作者:Yousuke Katsura、Tetsuo Tomishi、Yoshikazu Inoue、Kazuo Sakane、Yoshimi Matsumoto、Chizu Morinaga、Hirohumi Ishikawa、Hisashi Takasugi
DOI:10.1021/jm000169n
日期:2000.8.1
In order to find a new class of anti-Helicobacter pylori (H. pylori) agents, a series of 4-[(3-acetamido)phenyl]-2-(substituted guanidino)thiazoles and some structurally rigid analoges were synthesized and evaluated for antimicrobial activity against H. pylori. Among the compounds obtained, high anti-H. pyrori activities were observed in benzyl derivative 34 (MIC = 0.025 microg/mL) and phenethyl derivatives
为了找到一类新型的幽门螺杆菌(H. pylori)药剂,合成了一系列4-[(3-乙酰氨基)苯基] -2-(取代的胍基)噻唑和一些结构刚性的类似物,并对其进行了评估。对幽门螺杆菌的抗菌活性。在获得的化合物中,高抗H值。在苄基衍生物34(MIC = 0.025微克/毫升)和苯乙基衍生物35和36(MIC = 0.037微克/毫升和0.017微克/毫升)中观察到吡咯活性。尽管烷基衍生物通常显示较低的活性,但是2-甲氧基乙基衍生物28保留了显着的活性(MIC = 0.32 microg / mL),并且还比雷尼替丁具有更强的胃分泌活性。通过在噻唑和具有烷基链的苯环之间桥连而进行的结构限制不能提高该系列的活性。