A novel class of inhibitors for human steroid 5α-reductase:: Synthesis and biological evaluation of indole derivatives.: II

被引:0
作者
Igarashi, S [1 ]
Inami, H [1 ]
Hara, H [1 ]
Fujii, M [1 ]
Koutoku, H [1 ]
Oritani, H [1 ]
Mase, T [1 ]
机构
[1] Yamanouchi Pharmaceut Co Ltd, Inst Drug Discovery Res, Tsukuba, Ibaraki 3058585, Japan
关键词
5 alpha-reductase inhibitor; benign prostatic hypertrophy; indole derivative; YM-32906;
D O I
暂无
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
In a search for novel nonsteroidal inhibitors of human prostatic 5 alpha-reductase, ne found a new series of indole derivatives that showed potent inhibitory activities for the human enzyme. Among them, 4-[(1-benzyl-1H-indol-5-yl)oxy]-3-chlorobenzoic acid (2d, YM-32906) showed more potent inhibitory activity than finasteride with an IC50 value of 0.44 nM, 3-Chloro-4-{[1-(4-phenoxybenzyl)-1H-indol-5-yl]oxy}benzoic acid (2m) showed inhibitory activities for both human and rat prostatic 5 alpha-reductase with IC50 values of 2.1 and 73 nM, respectively. The synthesis and structure-activity relationships of these indole derivatives are presented.
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页码:382 / 388
页数:7
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