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Title:
2,2-DI-SUBSTITUTED 1&agr ,25-DIHYDROXY-19-NORVITAMIN D DERIVATIVE
Document Type and Number:
WIPO Patent Application WO/2004/033420
Kind Code:
A1
Abstract:
A novel 2,2-di-substituted 19-norvitamin D derivative. It is a compound represented by the general formula (I): (I) wherein R1 and R2 are the same or different and each represents hydroxy, etc. and A represents hydrogen, unsubstituted linear or branched alkyl, etc.

Inventors:
YAMADA SACHIKO (JP)
SHIMIZU MASATO (JP)
IWASAKI YUKIKO (JP)
Application Number:
PCT/JP2003/013053
Publication Date:
April 22, 2004
Filing Date:
October 10, 2003
Export Citation:
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Assignee:
CHUGAI PHARMACEUTICAL CO LTD (JP)
YAMADA SACHIKO (JP)
SHIMIZU MASATO (JP)
IWASAKI YUKIKO (JP)
International Classes:
A61K31/59; A61P35/00; A61P37/02; A61P43/00; C07C401/00; (IPC1-7): C07C401/00; A61K31/59; A61P35/00; A61P37/02; A61P43/00
Domestic Patent References:
WO2001074766A12001-10-11
WO2001092221A12001-12-06
WO2001074765A12001-10-11
WO2001007405A22001-02-01
Foreign References:
EP0619306A11994-10-12
Other References:
See also references of EP 1559708A4
Attorney, Agent or Firm:
Shamoto, Ichio (Yuasa and Hara, Section 206 New Ohtemachi Building, 2-1, Ohtemachi 2-chom, Chiyoda-ku Tokyo, 100-0004, JP)
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