A proton pump inhibitor containing a compound represented by the formula (I)
wherein X and Y are the same or different and each is a bond or a spacer having 1 to 20 carbon atoms in the main chain, R
1
is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group, R
2
, R
3
and R
4
are the same or different and each is a hydrogen atom, an optionally substituted hydrocarbon group, an optionally substituted thienyl group, an optionally substituted benzo[b]thienyl group, an optionally substituted furyl group, an optionally substituted pyridyl group, an optionally substituted pyrazolyl group, an optionally substituted pyrimidinyl group, an acyl group, a halogen atom, a cyano group or a nitro group, R
5
and R
6
are the same or different and each is a hydrogen atom or an optionally substituted hydrocarbon group, which has a superior proton pump action and shows an antiulcer activity and the like after conversion to a proton pump inhibitor in the body, or a salt thereof. or a prodrug thereof is provided.
提供一种质子泵
抑制剂,其中包含公式(I)所代表的化合物,其中X和Y相同或不同,每个都是具有1到20个
碳原子的主链中的键或间隔物,R1是可选取代的
碳氢化合物基团或可选取代的杂环基团,R2、R3和R4相同或不同,每个都是
氢原子、可选取代的
碳氢化合物基团、可选取代的
噻吩基团、可选取代的
苯并[b]
噻吩基团、可选取代的
呋喃基团、可选取代的
吡啶基团、可选取代的
吡唑基团、可选取代的
嘧啶基团、酰基、卤素原子、
氰基或硝基,R5和R6相同或不同,每个都是
氢原子或可选取代的
碳氢化合物基团。该化合物在体内转化为质子泵
抑制剂后具有卓越的质子泵作用,并显示抗溃疡活性等,或其盐或前药。