Synthesis of 11β-(4-dimethylaminophenyl)-17β-hydroxy-17α- (3-methyl-1-butynyl)-4, 9-estradien-3-one and 11β-(4-acetophenyl)- 17β-hydroxy-17α-(3-methyl-1-butynyl)-4, 9-estradien-3-one: two new analogs of mifepristone (RU-486)☆,☆☆21☆☆ This work originated at the National Chemical Laboratory, Pune 411 008, India.,☆☆☆22☆☆☆ Dedicated to Prof. D. Nasipuri on his 75th birthday.
作者:Braja G Hazra、Sourav Basu、Vandana S Pore、Padmakar L Joshi、Debnath Pal、Pinak Chakrabarti
DOI:10.1016/s0039-128x(99)00097-5
日期:2000.3
From the structure activity relationship, twonewanalogs, 2 and 3, of the potent progesterone antagonist mifepristone 1 have been designed. The syntheses of these twoanalogs have been achieved in eleven steps through modified synthetic sequences and improved procedures starting from (+)-estrone. In comparison with mifepristone 1, the relative binding affinities of compound 2 for the progesterone