STUDIES OF VITAMIN-D (CALCIFEROL) AND ITS ANALOGS .43. 2 NOVEL ALLENIC SIDE-CHAIN ANALOGS OF 1-ALPHA,25-DIHYDROXYVITAMIN-D(3)

被引:32
作者
CRAIG, AS
NORMAN, AW
OKAMURA, WH
机构
[1] UNIV CALIF RIVERSIDE, DEPT CHEM, RIVERSIDE, CA 92521 USA
[2] UNIV CALIF RIVERSIDE, DEPT BIOCHEM, RIVERSIDE, CA 92521 USA
[3] UNIV CALIF RIVERSIDE, DIV BIOMED SCI, RIVERSIDE, CA 92521 USA
关键词
D O I
10.1021/jo00042a013
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Two new analogues of the steroid hormone 1-alpha,25-dihydroxyvitamin D3 (1) in which allenic functionality has been incorporated into the side chain have been synthesized. Both the 22S and 22R allene analogues (2a and 2b) were each separately synthesized in nine steps from a common precursor 9. While both analogues exhibited significant binding to the 1-alpha,25-dihydroxyvitamin D3 chick intestinal receptor, they showed low in vivo activity in stimulating intestinal calcium absorption in the chick.
引用
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页码:4374 / 4380
页数:7
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