申请人:Didiuk T. Mary
公开号:US20080085887A1
公开(公告)日:2008-04-10
The present invention is directed to novel pyrido[4,3-d]pyrimidin-4(3H)-one derivatives and pharmaceutically acceptable salts thereof of structural formula I
wherein the variables R
1
, R
2
, R
3
, R
4
and R
5
are as described herein. Also provided are pharmaceutical compositions comprising the compounds of formula I as well as methods of treatment employing compounds of formula I to treat a disease or disorder characterized by abnormal bone or mineral homeostasis such as hypoparathyroidism, osteoporosis, osteopenia, periodontal disease, Paget's disease, bone fracture, osteoarthritis, rheumatoid arthritis, and humoral hypercalcemia of malignancy.
本发明涉及新型的吡啶[4,3-d]嘧啶-4(3H)-酮衍生物及其药用可接受的盐,其结构公式为I,其中变量R1、R2、R3、R4和R5如本文所述。还提供了包含公式I化合物的药物组合物,以及使用公式I化合物治疗由异常骨骼或矿物质稳态特征性疾病或失调的方法,例如低甲状旁腺功能症、骨质疏松症、骨量减少、牙周病、佩吉特病、骨折、骨关节炎、类风湿性关节炎和恶性体液性高钙血症。