Nicotinamide Derivatives as a New Class of Gastric (H+/K+)-ATPase Inhibitors. II. Synthesis and Structure-Activity Relationships of 2-((2,4-Dimethoxybenzyl)sulfinyl)-N-(4-pyridinyl)pyridine-3-carboxamides.
作者:Hideo TERAUCHI、Akihiko TANITAME、Keiko TADA、Keiji NAKAMURA、Yasuhiro SETO、Yoshinori NISHIKAWA
DOI:10.1248/cpb.45.1027
日期:——
evaluated for their gastric antisecretory activity and the ability to inhibit cytochrome P450-dependent O-dealkylation of 7-ethoxycoumarin (7-EC) in rat liver microsomes. Several of the compounds synthesized exhibited potent inhibitory activities against both [14C]aminopyrine accumulation stimulated by dibutyryl cyclic AMP in isolated rabbit parietal cells and histamine-induced gastric acid secretion in
合成了一系列新的2-[((2,4-二甲氧基苄基)亚磺酰基] -N-(4-吡啶基)吡啶-3-羧酰胺系列成员,并评估了其胃抗分泌活性和抑制细胞色素P450依赖性O的能力。大鼠肝微粒体中7-乙氧基香豆素(7-EC)的-脱烷基化。当在十二指肠内给药时,合成的几种化合物对二丁酰基环AMP刺激的分离的兔壁细胞中的[14C]氨基比林累积和在幽门结扎的大鼠中组胺诱导的胃酸分泌均表现出强抑制活性。它们的抑制活性与母体化合物[2-[(2,4-二甲氧基苄基)亚磺酰基] -N-(4-吡啶基)吡啶-3-甲酰胺]和奥美拉唑相当。在具有有效的体外和体内抗分泌活性的化合物中,2-[((2,4-二甲氧基苄基亚磺酰基] -N-(2,5-二甲基-4-吡啶基)吡啶-3-羧酰胺和2-[((2,4-二甲氧基苄基)亚磺酰基] -N-(2,6-二甲基-4-与奥美拉唑相比,吡啶基)吡啶-3-羧酰胺对7-EC脱乙基酶的抑制活性特别低。与奥美