发明名称 |
Bisphosphonic acid derivatives, their production and use. |
摘要 |
<p>A compound of the formula (I): <CHEM> wherein W is a group of the formula: A/ &cir& -O-(CH2)n- wherein A/ &cir& is a cyclic group which may be substituted, n is an integer of 2 to 10, or W is a group of the formula: R<1>-X-(CH2)n'- wherein R<1> is an alkyl group which may be substituted, X is an oxygen atom or a sulfur atom which may be oxidized, n' is an integer of 4 to 10; R<2> is a hydrogen atom or a lower alkanoyl group; R<3>, R<4>, R<5> and R<6> are the same or different and are a hydrogen atom or a lower alkyl group, or a salt thereof, is useful as a bone resorption inhibitor.</p> |
申请公布号 |
EP0491374(A1) |
申请公布日期 |
1992.06.24 |
申请号 |
EP19910121685 |
申请日期 |
1991.12.18 |
申请人 |
TAKEDA CHEMICAL INDUSTRIES, LTD. |
发明人 |
SHODA, TAKASHI;TAKETOMI, SHIGEHISA |
分类号 |
C07F9/60;C07F9/38;C07F9/58;C07F9/6509;C07F9/6512;C07F9/655 |
主分类号 |
C07F9/60 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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