申请人:Ciba-Geigy Corp.
公开号:US05281748A1
公开(公告)日:1994-01-25
N-substituted aminomethanediphosphonic acids of the formula I, ##STR1## wherein R.sub.1, X, alk.sub.1, R.sub.2 and n are as defined in the description, and salts thereof, have valuable pharmaceutical properties and are effective e.g. in the treatment of conditions which can be associated with disorders of the calcium metabolism. They are manufactured in a manner known per se.
N-取代氨甲二膦酸的化学式I,##STR1## 其中R.sub.1,X,alk.sub.1,R.sub.2和n如描述中所定义,并其盐具有有价值的药理特性,例如在治疗可能与钙代谢紊乱有关的疾病方面具有有效性。它们以已知的方式制造。