Abstract
Aryldiazomethanes generated by vacuum thermolysis of arenecarbaldehyde tosylhydrazone sodium salts react stereospecifically with 16-dehydropregnenolone acetate. Subsequent decomposition of the pyrazoline adducts yielded hitherto unknown substituted [16α,17α]-cyclopropaprogesterones bearing the aryl substituents at the position 3′. Interaction of such cyclopropaprogesterones with progesterone receptor from rat uterine cytosol was studied.
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