Chemical and Pharmaceutical Bulletin p. 1746 - 1752 (1991)
Update date:2022-07-29
Topics:
Yamakawa
Matsukura
Nomura
Yoshioka
Masaki
Igata
Okabe
A series of N-substituted 2-[(2-imidazolylsulfinyl)methyl]anilines was synthesized and evaluated for its biological activity against H+/K+-ATPase prepared from rabbit stomach and gastric acid secretions in Heidenhain pouch dogs. Monoalkyl substituents on the nitrogen atom of the aniline moiety markedly inhibited the enzyme activity to the same degree as omeprazole, a representative H+/K+-ATPase inhibitor. Most of these compounds, administered at 3 mg/kg i.v. inhibited histamine-stimulated gastric acid secretion. The inhibitory activity of these derivatives on the enzymes at pH 6.0 was more potent than that at pH 7.4, and was distinctly correlated to stability in aqueous solution at pH 5.0.
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Doi:10.1039/c1dt10615e
(2011)Doi:10.1021/np2006378
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(1991)Doi:10.1021/jo00014a053
(1991)