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1. (WO2004033420) 2,2-DI-SUBSTITUTED 1α,25-DIHYDROXY-19-NORVITAMIN D DERIVATIVE

Pub. No.:    WO/2004/033420    International Application No.:    PCT/JP2003/013053
Publication Date: Apr 22, 2004 International Filing Date: Oct 10, 2003
IPC: A61K 31/59
Applicants: SHIMIZU, Masato

YAMADA, Sachiko

IWASAKI, Yukiko

Inventors: SHIMIZU, Masato

YAMADA, Sachiko

IWASAKI, Yukiko

Title: 2,2-DI-SUBSTITUTED 1α,25-DIHYDROXY-19-NORVITAMIN D DERIVATIVE
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.