发明授权
US5157135A 1.alpha.,25-dihydroxyvitamin D4 compounds, ergosta-5,7-diene compounds
and processes for the preparation thereof
失效
1(ALPHA),25-二羟基维生素D4化合物,ERGOSTA-5,7-二烯化合物及其制备方法
- 专利标题: 1.alpha.,25-dihydroxyvitamin D4 compounds, ergosta-5,7-diene compounds and processes for the preparation thereof
- 专利标题(中): 1(ALPHA),25-二羟基维生素D4化合物,ERGOSTA-5,7-二烯化合物及其制备方法
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申请号: US496862申请日: 1990-03-21
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公开(公告)号: US5157135A公开(公告)日: 1992-10-20
- 发明人: Masahiro Tsuji , Yoji Tachibana , Shinji Yokoyama , Nobuo Ikekawa
- 申请人: Masahiro Tsuji , Yoji Tachibana , Shinji Yokoyama , Nobuo Ikekawa
- 申请人地址: JPX Tokyo
- 专利权人: Nisshin Flour Milling Co., Ltd.
- 当前专利权人: Nisshin Flour Milling Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX1-78110 19890331
- 主分类号: A61K31/59
- IPC分类号: A61K31/59 ; A61P3/02 ; C07C401/00 ; C07J9/00 ; C07J71/00
摘要:
(24S)- and (24R)-1.alpha.,25-Dihydroxyvitamin D.sub.4 compounds and processes for preparing same. Ergosta-5,7-diene compounds which are useful intermediates in the synthesis of the 1.alpha.,25-dihydroxyvitamin D.sub.4 compounds. The D.sub.4 compounds are expected to possess an interesting pharmacological activity in association with the active-type vitamins D.sub.3 and D.sub.2.
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