发明名称 |
23-YNE-VITAMIN D3 DERIVATIVE |
摘要 |
<p>To provide a novel vitamin D 3 derivative useful as a therapeutic agent for osteoporosis. Provided is a vitamin D 3 derivative represented by the following formula (1) or a medicinally acceptable solvate thereof:
wherein R 1 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an alkylcarbonyloxyalkyl group with each alkyl having 1 to 6 carbon atoms, or an arylcarbonyloxyalkyl group with the aryl having 6 to 10 carbon atoms and the alkyl having 1 to 6 carbon atoms; R 2 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms or, together with the other R 2 and the carbon atom to which they are bound to, may form a cyclic alkyl group having 3 to 6 carbon atoms; R 3 represents an alkyl group having 1 to 6 carbon atoms or, together with the other R 3 and the carbon atom to which they are bound to, may form a cyclic alkyl group having 3 to 6 carbon atoms; X represents an oxygen atom or a methylene group; and n represents an integer of 1 or 2.</p> |
申请公布号 |
EP2634171(A1) |
申请公布日期 |
2013.09.04 |
申请号 |
EP20110836202 |
申请日期 |
2011.10.24 |
申请人 |
TEIJIN PHARMA LIMITED |
发明人 |
SAITO, HIROSHI;KOMIYAMA, MASATO;OCHIAI, EIJI;TAKAGI, KENICHIRO;CHIDA, TAKAYUKI;FUJITA, MARIKO;IMAIZUMI, KEIICHIRO;KANEKO, TOSHIYUKI |
分类号 |
C07C401/00;A61K31/593;A61P19/10;C07F7/18 |
主分类号 |
C07C401/00 |
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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