发明名称 |
23-YNE-VITAMIN D3 DERIVATIVE |
摘要 |
<p>To provide a novel vitamin D3 derivative useful as a therapeutic agent for osteoporosis.5 Provided is a vitamin D3 derivative represented bythe following formula (1) or a medicinally acceptable solvate thereof:10 wherein R1 represents a hydrogen atom, an alkyl grouphaving 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; R215 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms or, together with the other R2 and the carbon atom to which they are bound to, may form a cyclic alkyl group having 3 to 6 carbon atoms; R3 represents an alkyl group having 1 to 6 carbon atoms or, together with20 the other R3 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 |
SG189427(A1) |
申请公布日期 |
2013.05.31 |
申请号 |
SG20130028584 |
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 |
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