Title:
3-METHYLATED VITAMIN D DERIVATIVES
Document Type and Number:
WIPO Patent Application WO/2000/064870
Kind Code:
A1
Abstract:
Novel 3-methylated vitamin D¿3? derivatives represented by general formula (I) wherein X is -CH¿2?-, -O-, or -S-; and R?1¿ is a C¿1?-C¿15? saturated or unsaturated aliphatic hydrocarbon group which may be substituted with one to three hydroxyl or protected hydroxyl groups.
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Inventors:
TAKAYAMA HIROAKI (JP)
FUJISHIMA TOSHIE (JP)
FUJISHIMA TOSHIE (JP)
Application Number:
PCT/JP2000/002620
Publication Date:
November 02, 2000
Filing Date:
April 21, 2000
Export Citation:
Assignee:
CHUGAI PHARMACEUTICAL CO LTD (JP)
TAKAYAMA HIROAKI (JP)
FUJISHIMA TOSHIE (JP)
TAKAYAMA HIROAKI (JP)
FUJISHIMA TOSHIE (JP)
International Classes:
A61P35/00; A61P37/02; C07C33/048; C07C401/00; C07F7/18; (IPC1-7): C07C401/00; A61K31/59; A61P35/00; A61P37/02; C07C33/048; C07F7/18
Domestic Patent References:
| WO1993016022A1 | 1993-08-19 |
Foreign References:
| JPH06256302A | 1994-09-13 |
Other References:
ZE'EV V. I. ZARETSKII: "The differences in mass spectrometric behavior of double bond, stereo and positional isomers of the vitamin D series", ADV. MASS SPECTROM., no. 8A, 1980, pages 590 - 605, XP002930760
See also references of EP 1174424A4
See also references of EP 1174424A4
Attorney, Agent or Firm:
Shamoto, Ichio (New Ohtemachi Building 2-1 Ohtemachi 2-chome Chiyoda-ku, Tokyo, JP)
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