| 发明名称 |
Vitamin d derivatives having substituents at the 2 alpha-position |
| 摘要 |
An object of the present invention is to synthesize a novel vitamin D derivative having a substituent at the 2alpha-position. According to the present invention, there is provided a vitamin D derivative of Formula (1): wherein R1 and R2 are straight chained or branched lower alkyl which may be substituted with hydroxy.
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| 申请公布号 |
US2003022872(A1) |
申请公布日期 |
2003.01.30 |
| 申请号 |
US20020220146 |
申请日期 |
2002.08.27 |
| 申请人 |
TAKAYAMA HIROAKI;KITTAKA ATSUSHI;SUHARA YOSHITOMO;FUJISHIMA TOSHIE |
发明人 |
TAKAYAMA HIROAKI;KITTAKA ATSUSHI;SUHARA YOSHITOMO;FUJISHIMA TOSHIE |
| 分类号 |
A61K31/59;A61P3/02;C07C401/00;(IPC1-7):A61K31/59 |
主分类号 |
A61K31/59 |
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