The present invention relates to novel imidazole derivatives having a positive allosteric GABAB receptor (GBR) modulator effect, methods for the preparation of said compounds and to their use, optionally in combination with a GABAB agonist, for the inhibition of transient lower esophageal sphincter relaxations, for the treatment of gastroesophageal reflux disease, as well as for the treatment of functional gastrointestinal disorders and irritable bowel syndrome (IBS). The compounds are represented by the general formula (I) wherein R1, R2, R3 and R4 are as defined in the description. For example, R1 may be phenyl, R2 may be dimethylamino pyrrolidin-1-yl, R3 may be alkoxy and R4 may be alkyl, ai arylalkyl, aryloxyalkyl, aryloxy or heterocyclylalkyl.
本发明涉及新的
咪唑衍
生物,具有正向变构
GABAB受体(GBR)调节剂作用,制备这些化合物的方法以及它们的用途,可选与
GABAB激动剂联合使用,用于抑制短暂性下食管括约肌松弛,治疗胃食管反流病,以及治疗功能性胃肠疾病和肠易激综合征(IBS)。这些化合物由一般式(I)表示,其中R1、R2、R3和R4如描述中所定义。例如,R1可以是苯基,R2可以是二甲基
氨基
吡咯烷-1-基,R3可以是烷氧基,R4可以是烷基,芳基烷基,芳氧基烷基,芳氧基或杂环基烷基。