Ionic hydrogenation of estra-1,3,5(10),8,14-pentaenes
摘要:
The direction of ionic hydrogenation of estra-1,3,5(10),8,14-pentaenes with triethylsilane in the presence of trifluoroacetic acid is determined by the nature of substituents in the A and B rings. The hydrogenation of 7 beta-methyl-3-methoxy-D-homo-6-oxaestra-1,3,5(10),8,14-pentaen-17a beta-yl acetate gives mainly 9 beta-analog, which provides the possibility for synthesizing new inhibitors of enzymes responsible for metabolism of steroidal estrogens.
Preparation and spatial structure of methyl ether of 7β-methyl-D-homo-6-oxaestra-1,3,5(10),8(9)-tetraen-17a-one
作者:S. N. Morozkina、N. N. Zashikhina、S. I. Selivanov、A. G. Shavva
DOI:10.1134/s1070363214090138
日期:2014.9
Procedure of preparation of 7β-methyl-D-homo-6-oxa-1,3,5(10),8,(9)-estratetraen-17a-one methylether has been developed; the product conformation in the solution has been studied by NMR spectroscopy. Comparison of the experimental data with simulation of similar compounds docking into the ligand-binding pocket of the estrogens α-receptor has suggested that such steroids are promising for preparation of biologically