申请人:Hoechst Japan Limited
公开号:US05441945A1
公开(公告)日:1995-08-15
The heterocyclic iminobismethylenebisphosphonic acid derivatives of the general formula (I) ##STR1## wherein n is an integer of 0-5 and the group of the formula ##STR2## represents a 4-7 membered monocyclic or 7-11 membered condensed heterocyclic ring group which may be substituted by a halogen atom or a lower alkyl group and contains 1-2 nitrogen atoms their esters and salts thereof are described. The said compounds are useful as a bone resorption inhibitor, a dental calculus formation inhibitory agent or a polyvalent metal ion complex salt forming agent.
通用公式(I)的杂环亚胺双亚甲基双膦酸衍生物,其中n是0-5的整数,以及公式的基团代表一个4-7成员单环或7-11成员的紧凑杂环环基,可以被卤原子或较低的烷基基取代,并含有1-2个氮原子,其酯和盐被描述。所述化合物可用作骨吸收抑制剂、牙垢形成抑制剂或多价金属离子络合盐形成剂。