申请人:YOSHITOMI PHARMACEUTICAL INDUSTRIES, LTD.
公开号:EP0644191A1
公开(公告)日:1995-03-22
A pyridine compound represented by general formula (I) or a pharmaceutical acceptable salt thereof, having the antibacterial effect against Helicobacter pylori, antiulcer effect, the effects of protecting gastrointestinal cells and inhibiting the recrudescence and recurrence of ulcer, and so forth, thus being useful as a medicine, wherein R¹ represents hydrogen, halogen, alkyl, alkoxy, etc.; R² and R³ represent each hydrogen, halogen or alkyl; -P=Q- represents -CH=CH-, -N=CH- or -CH=N-; A represents oxygen, sulfur or NR⁴ (wherein R⁴ represents hydrogen, alkyl, etc.); n represents 0, 1 or 2; B represents oxygen, S(O)p (wherein p represents 0, 1 or 2) or NR⁵ (wherein R⁵ represents hydrogen or alkyl); D represents a single bond, alkylene, etc.; and E represents alkoxyalkyl or -NR⁶R⁷.
一种由通式(I)代表的吡啶化合物或其药物可接受盐,具有抗幽门螺旋杆菌、抗溃疡、保护胃肠道细胞、抑制溃疡复发和再发等作用,因而可用作药物,其中R¹代表氢、卤素、烷基、烷氧基等;R²和R³分别代表氢、卤素或烷基;-P=Q-代表-CH=CH-、-N=CH-或-CH=N-;A代表氧、硫或NRⅪ。其中 R¹ 代表氢、卤素、烷基、烷氧基等;R² 和 R³ 分别代表氢、卤素或烷基;-P=Q- 代表 -CH=CH-、-N=CH- 或 -CH=N-;A 代表氧、硫或 NR⁴(其中 R⁴ 代表氢、烷基等。n 代表 0、1 或 2;B 代表氧、S(O)p(其中 p 代表 0、1 或 2)或 NR⁵(其中 R⁵ 代表氢或烷基);D 代表单键、亚烷基等;E 代表烷氧基烷基或 -NR⁶R⁷。