Novel bisphosphonate cyclic acetal compounds are disclosed, as well as methods of preparing the compounds, pharmaceutical compositions including the compounds, and administration of the compounds in methods of treating bone metabolism disorders, such as abnormal calcium and phosphate metabolism.
Carbostyril compounds, compositions containing same and processes for preparing same
申请人:OTSUKA PHARMACEUTICAL CO., LTD.
公开号:EP0187322A1
公开(公告)日:1986-07-16
A carbostyril compound of the formula (I):
wherein
R1 and R2 are as defined or its pharmaceutically acceptable salt, composition containing the compound and processes for preparing the same are disclosed.
The compound is useful as a cardiotonic agent.