发明名称 |
VITAMIN D DERIVATIVES AND PROCESS FOR PRODUCING THE SAME |
摘要 |
A process for producing hydroxyvitamin D derivatives, characterized by converting a hydrogen atom or atoms at the 2-position, 24-position, 25-position and/or 26-position of a vitamin D into a hydroxyl group or groups in a solution containing a microorganism that belongs to the genus Nocardia, Streptomyces, Sphingomonas or Amycolata which has an ability to hydroxylate vitamin Ds or an enzyme produced by that microorganism, and optionally under the coexistence of a cyclodextrin; and novel vitamin D3 derivatives obtained by that process. |
申请公布号 |
EP1172442(A4) |
申请公布日期 |
2004.10.13 |
申请号 |
EP20000917304 |
申请日期 |
2000.04.13 |
申请人 |
MERCIAN CORPORATION;CHUGAI SEIYAKU KABUSHIKI KAISHA |
发明人 |
TAKEDA, KOJI;KOMINATO, KAICHIRO;KUMAZAWA, MASATERU;SHIMIZU, MASATO;YAMADA, SACHIKO |
分类号 |
C12N9/02;C12P7/02;C12P15/00 |
主分类号 |
C12N9/02 |
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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