发明名称 23-yne-vitamin D<sub>3 </sub>derivative
摘要 To provide a novel vitamin D3 derivative useful as a therapeutic agent for osteoporosis.;Provided is a vitamin D3 derivative represented by the following formula (1) or a medicinally acceptable solvate thereof:;wherein R1 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; R2 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 with 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.
申请公布号 US9006220(B2) 申请公布日期 2015.04.14
申请号 US201113880637 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;C07F7/18 主分类号 C07C401/00
代理机构 Sughrue Mion, PLLC 代理人 Sughrue Mion, PLLC
主权项 1. A compound represented by the following formula (1): wherein R1 represents a hydrogen atom, 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; R2 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 with 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.
地址 Tokyo JP