申请人:Yoshitomi Pharmaceutical Industries, Ltd.
公开号:US05616581A1
公开(公告)日:1997-04-01
A pyridine compound of the formula ##STR1## wherein R.sup.1 is a hydrogen, a halogen, an alkyl, an alkoxy or the like, R.sup.2 and R.sup.3 are each a hydrogen, a halogen or an alkyl, --P.dbd.Q-- is --CH.dbd.CH--, --N.dbd.CH-- or --CH.dbd.N--, A is an oxygen atom, a sulfur atom or N(R.sup.4) wherein R.sup.4 is hydrogen, alkyl or the like, n is 0, 1 or 2, B is S(O)p wherein p is 0, 1 or 2, D is a single bond, an alkylene or the like and E is an alkoxyalkyl or --N(R.sup.6)(R.sup.7), and a pharmaceutically acceptable salt thereof have antibacterial activity against Helicobacter pylori, antiulcer activity, gastrointestinal cytoprotective activity, ulcer recurrence, relapse-preventive activity and gastric acid secretion-suppressive activity and are useful as pharmaceutical preparations.
一种吡啶化合物的公式为##STR1##其中R.sup.1是氢,卤素,烷基,烷氧基或类似物,R.sup.2和R.sup.3各自是氢,卤素或烷基,--P.dbd.Q--是--CH.dbd.CH--,--N.dbd.CH--或--CH.dbd.N--,A是氧原子,硫原子或N(R.sup.4),其中R.sup.4是氢,烷基或类似物,n为0,1或2,B为S(O)p,其中p为0,1或2,D为单键,烷基或类似物,E为烷氧基烷基或--N(R.sup.6)(R.sup.7),以及其药学上可接受的盐,具有抗幽门螺杆菌活性,抗溃疡活性,胃肠道细胞保护活性,溃疡复发,预防溃疡复发和抑制胃酸分泌的活性,并可用作制备药物。