申请人:YOSHITOMI PHARMACEUTICAL INDUSTRIES, LTD.
公开号:EP0729957A1
公开(公告)日:1996-09-04
A pyridine compound represented by general formula (I) or a medicinally acceptable salt thereof, and a medicinal use thereof. In said formula (I) R1 represents hydrogen, halogen, alkyl, alkoxy, hydroxy, alkoxycarbonyl, carboxy or haloalkyl; R2 and R3 represent each independently hydrogen, halogen or alkyl; R4 represents hydrogen, alkoxycarbonyl, hydroxyalkyl or acyloxyalkyl; R5 represents hydrogen or alkyl; X represents oxygen, sulfur, SO or SO2; Y and Z represent each independently CH or N; L represents ethylene or vinylene; m represents 0, 1 or 2; and n represents an integer of 1 to 1,000; provided that n represents 1 when L is vinylene and that n represents an integer of 4 to 1,000 when R4 is hydrogen, X is oxygen and L is ethylene. The compound and medicinally acceptable salts thereof are useful as medicines because they have an antiulcer effect, the effect of protecting gastro-intestinal cells, the effect of preventing recrudescence and recurrence of ulcer, and an antibacterial effect on Helicobacter pylori.
一种由通式(I)代表的吡啶化合物或其药用盐及其药用方法。在所述式(I)中,R1 代表氢、卤素、烷基、烷氧基、羟基、烷氧基羰基、羧基或卤代烷基;R2 和 R3 各自独立地代表氢、卤素或烷基;R4 代表氢、烷氧基羰基、羟基烷基或酰氧基烷基;R5 代表氢或烷基;X 代表氧、硫、SO 或 SO2;Y和Z各自独立地代表CH或N;L代表乙烯或乙烯基;m代表0、1或2;n代表1至1,000的整数;当L为乙烯基时,n代表1;当R4为氢、X为氧和L为乙烯基时,n代表4至1,000的整数。该化合物及其药用盐具有抗溃疡作用、保护胃肠细胞的作用、防止溃疡复发的作用以及对幽门螺旋杆菌的抗菌作用,因此可用作药物。