A Novel Class of Inhibitors for Human Steroid 5.ALPHA.-Reductase: Synthesis and Biological Evaluation of Indole Derivatives. II.
作者:Susumu IGARASHI、Hiroshi INAMI、Hiromu HARA、Masahiro FUJII、Hiroshi KOUTOKU、Hiroyuki ORITANI、Toshiyasu MASE
DOI:10.1248/cpb.48.382
日期:——
In a search for novel nonsteroidal inhibitors of human prostatic 5α-reductase, we 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 aicd (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 5α-reductase with IC50 values of 2.1 and 73 nM, respectively. The synthesis and structure-activity relationships of these indole derivatives are presented.
在寻找新型非类固醇人前列腺5α-还原酶抑制剂的过程中,我们发现了一系列新型的吲哚衍生物,这些衍生物对人酶表现出强效抑制活性。其中,4-[(1-苯基-1H-吲哚-5-基)氧]-3-氯苯甲酸(2d, YM-32906)的抑制活性比非那雄胺更强,IC50值为0.44 nM。3-氯-4-[1-(4-苯氧苄基)-1H-吲哚-5-基]氧}苯甲酸(2m)对人和大鼠前列腺5α-还原酶均表现出抑制活性,IC50值分别为2.1 nM和73 nM。本文展示了这些吲哚衍生物的合成及结构-活性关系。