This invention relates to
pyrimidine compounds of formula (I), formula (I′), and formula (I″):and pharmaceutically acceptable salts, solvates, clathrates, and prodrugs thereof, wherein R1, R2, R3, R4, R5, U, V, W, X, Y, Z, and n are defined herein. This invention also relates to compositions comprising these compounds and methods for using them. The compounds and compositions of this invention are useful to treat or prevent disorders associated with excessive bone loss, including, without limitation
periodontal disease, non-malignant bone disorders (such as
osteoporosis, Pagers-
disease of bone, osteogenesis imperfecta, fibrous
dysplasia, and primary
hyperparathyroidism)
estrogen deficiency, inflammatory bone loss, bone
malignancy,
arthritis,
osteopetrosis, and certain
cancer-related disorders (such as hypercalcemia of
malignancy (HCM), osteolytic bone lesions of
multiple myeloma and osteolytic bone metastases of
breast cancer and other metastatic cancers).