申请人:Hoffmann-La Roche Inc.
公开号:US07351700B2
公开(公告)日:2008-04-01
The present invention relates to compounds of formula
wherein
X is —S— or —NH—;
R3/R4 together with the N-atom to which they are attached form a non aromatic 5, 6 or 7 membered ring, which optionally contains in addition to the N-atom one additional heteroatom selected from the group consisting of O, S and N, and wherein the ring is optionally substituted by hydroxy, lower alkyl, lower alkoxy, —NR2, —CONR2, —CO-lower alkyl or benzyl; or R3/R4 form together with the N-atom to which they are attached a heterocyclic ring system, containing two or three rings and which optionally contains one or two additional heteroatoms selected from the group consisting of N and O and which has no more than 20 carbon atoms; and
R, R1, R2, and R5 are as defined herein and to pharmaceutically suitable acid addition salts thereof.
It has been found that the compounds of the invention are active on the GABAB receptor and therefore are useful for the treatment of anxiety, depression, epilepsy, schizophrenia, cognitive disorders, spasticity and skeletal muscle rigidity, spinal cord injury, multiple sclerosis, amyotrophic lateral sclerosis, cerebral palsy, neuropathic pain and craving associated with cocaine and nicotine, psychosis, panic disorder, posttraumatic stress disorders and gastro-intestinal disorders.
本发明涉及式为的化合物其中X为—S—或—NH—;R3/R4与它们所附着的N原子形成一个非芳香性的5、6或7元环,该环选自包含O、S和N中的一个额外杂原子的群体,且该环可由羟基、低烷基、低烷
氧基、—NR2、—CONR2、—CO-低烷基或
苄基取代;或R3/R4与它们所附着的N原子形成一个杂环系统,其中包含两个或三个环,该系统选自包含N和O中的一个或两个额外杂原子的群体,且该系统的
碳原子数不超过20;以及R、R1、R2和R5的定义如本文所述和其药物上适宜的酸盐。发现本发明的化合物对
GABAB受体具有活性,因此可用于治疗焦虑、抑郁、癫痫、精神分裂症、认知障碍、痉挛和骨骼肌僵硬、脊髓损伤、多发性硬化症、肌萎缩侧索硬化、脑瘫、神经痛以及与
可卡因和
尼古丁相关的渴望、精神病、惊恐障碍、创伤后应激障碍和胃肠道疾病的治疗。