申请人:Amura Therapeutics Limited
公开号:US08552202B2
公开(公告)日:2013-10-08
A first aspect of the invention relates to a compound of formula (I), or a pharmaceutically acceptable salt, hydrate, complex or pro-drug thereof,
wherein:
one of R3 and R4 is H, and the other is selected from C1-6-alkyl, C1-6-haloalkyl, C1-6-alkoxy, and C6-12-aralkyl;
or R3 and R4 are each independently selected from C1-6-alkyl and halo;
R9 is a substituted 5 or 6-membered aryl or heteroaryl group or a 6,5- or 6,6-fused biaryl or heterobiaryl group.
Compounds of formula (I) exhibit surprisingly high efficacies for human cathepsin S, excellent selectivity verses other mammalian cathepsins and are useful for treatment of diseases such as rheumatoid arthritis, multiple sclerosis, myasthenia gravis, transplant rejection, diabetes, Sjogrens syndrome, Grave's disease, systemic lupus erythematosis, osteoarthritis, psoriasis, idiopathic thrombocytopenic purpura, allergic rhinitis, asthma, atherosclerosis, obesity, chronic obstructive pulmonary disease and chronic pain.
本发明的第一方面涉及式(I)的化合物,或其药学上可接受的盐、水合物、复合物或前药,其中:R3和R4中的一个为H,另一个选自C1-6-烷基、C1-6-卤代烷基、C1-6-烷氧基和C6-12-芳基烷基;或R3和R4各自独立地选自C1-6-烷基和卤代基;R9是取代的5或6成员芳基或杂环芳基团或6,5-或6,6-螺合的双芳基或双杂芳基团。式(I)的化合物表现出对人类卡特普辛S的惊人高效性,与其他哺乳动物卡特普辛具有优异的选择性,并可用于治疗风湿性关节炎、多发性硬化症、重症肌无力、移植排斥、糖尿病、干燥综合症、格雷夫病、系统性红斑狼疮、骨关节炎、银屑病、特发性血小板减少性紫癜、过敏性鼻炎、哮喘、动脉粥样硬化、肥胖症、慢性阻塞性肺疾病和慢性疼痛等疾病的治疗。