发明名称 |
VITAMIN D COMPOUNDS AND METHODS OF PREPARING THESE COMPOUNDS |
摘要 |
The invention relates to a vitamin D compound of the general formula (I) wherein: R1 is a hydrogen atom or a hydroxy group, R2 is a hydrogen atom or a substituent selected from the group consisting of (C1-C3)alkyl, phenyl and trifluoromethyl, R3 is a branched or unbranched (C1-C4)alkyl group or a cyclopropyl group or a CF3 group, A and 8 are each individually hydrogen atoms or methyl groups, or A and B form together a methylene group, X is CH2 or O, n is 2 or 3. The invention further relates to methods of preparing these compounds, to methods for preparing a valuable intermediate in the preparation of these compounds and to their use in pharmacotherapy and cosmetics. |
申请公布号 |
CA2175881(A1) |
申请公布日期 |
1996.11.10 |
申请号 |
CA19962175881 |
申请日期 |
1996.05.06 |
申请人 |
DUPHAR INTERNATIONAL RESEARCH B.V. |
发明人 |
KUTNER, ANDRZEJ;WOJCIECHOWSKA, WANDA;HALKES, JOHANNES SEBASTIAN;VAN DE VELDE, JAN-PAUL |
分类号 |
A61K31/59;A61P3/02;A61P17/00;A61P19/10;A61P35/00;A61P37/00;A61P43/00;C07C401/00;C07F7/18;C07J51/00;(IPC1-7):C07C401/00 |
主分类号 |
A61K31/59 |
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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