| 摘要 |
<p>Vitamin D3 analogues of the formula: <CHEM> wherein R<1> is hydrogen atom and R<2> is hydroxy, or R<1> is hydroxy and R<2> is hydrogen atom, X is hydrogen atom, hydroxy or a hydroxy protected by a hydroxy-protecting group, and R<3> is hydrogen atom or a hydroxy-protecting group, which have vitamin D3-like activities such as activity of controlling calcium metabolism and tumor cell differentiation-inducing activity.</p> |
| 申请人 |
DAIKIN INDUSTRIES, LTD., OSAKA, JP |
发明人 |
KOBAYASHI, YOSHIRO, TOKYO-TO, JP;ISEKI, KATSUHIKO, TSUKUBA-SHI, IBARAKI-KEN, JP;NAGAI, TAKABUMI, TSUKUBA-SHI, IBARAKI-KEN, JP;TANAKA, YOKO, DELMAR, N.Y. 12054, US;IKEKAWA, NOBUO, MUSASHINO-SHI, TOKYO-TO, JP |
