The present invention relates to novel imidazole derivatives having a positive allosteric GABA
B
receptor (GBR) modulator effect, methods for the preparation of said compounds and to their use, optionally in combination with a GABA
B
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 R
1
, R
2
, R
3
and R
4
are as defined in the description. For example, R
1
may be alkyl or arylalkyl, R
2
may be alkyl, R
3
may be alkoxy and R
4
may be a substituent containing an aryl group.
本发明涉及一种新型
咪唑衍
生物,具有正向变构
GABAB受体(GBR)调节剂作用,制备该化合物的方法以及它们的使用,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,以及用于治疗功能性胃肠疾病和肠易激综合征(IBS)。该化合物由通式(I)表示,其中R1、R2、R3和R4如描述中所定义。例如,R1可以是烷基或芳基烷基,R2可以是烷基,R3可以是烷氧基,R4可以是含芳基的取代基。