The present invention relates to compounds of formula
wherein
R
1
, R
2
, R
3
, and
n are as described in the specification and pharmaceutically acceptable acid addition salts thereof. The compounds of formula I can be used for the treatment of 5-HT
5A
receptor antagonists related diseases, which include depression, anxiety disorders, schizophrenia, panic disorders, agoraphobia, social phobia, obsessive compulsive disorders, post-traumatic stress disorders, pain, memory disorders, disorders of eating behaviors, sexual dysfunction, sleep disorders, withdrawal from abuse of drugs, motor disorders such as Parkinson's disease, dementia in Parkinson's disease, neuroleptic-induced Parkinsonism and tardive dyskinesias, as well as other psychiatric disorders and gastrointestinal disorders such as irritable bowel syndrome.
本发明涉及具有式的化合物其中R1、R2、R3和n如规范中所述,以及其药用可接受的酸盐。式I的化合物可用于治疗与5-HT5A受体拮抗剂相关的疾病,包括抑郁症、焦虑障碍、精神分裂症、恐慌障碍、广场恐惧症、社交恐惧症、强迫性障碍、创伤后应激障碍、疼痛、记忆障碍、进食行为障碍、性功能障碍、睡眠障碍、戒除药物滥用、帕
金森病等运动障碍、帕
金森病痴呆、神经精神药物引起的帕
金森症和迟发性运动障碍,以及其他精神障碍和胃肠道障碍,如肠易激综合征。