1,1-(Dimethyl-Ethylamino)-2-Hydroxy-Propoxy]-Ethyl}-3-Methyl-Biphenyl-4- Carboxylic Acid Derivatives As Calcium Receptor Antagonists

摘要

The present invention is directed to novel 1,1 -(dimethyl-ethylamino)-2- hydroxy-propoxy]-ethyl}-3-methyl-biphenyl-4-carboxylic acid derivatives and pharmaceutically acceptable salts thereof of structural formula I wherein the variable R1 is 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.