20-ketofatty -11β-arylpropionic agonists or antagonists and having its deriv. nonsteroid antiandrogenic characteristics
The invention is directed to a novel class of steroids which exhibit potent antiprogestational activity.
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(2019/05/08)
METHOD FOR PREPARING 17 alpha-ACETOXY-11beta-(4-N,N-DIMETHYLAMINOPHENYL)-19-NORPREGNA-4,9-DIENE-3,20-DIONE, INTERMEDIATES THEREOF, AND METHODS FOR THE PREPARATION OF SUCH INTERMEDIATES
Methods for the preparation of the 19-norprogesterone of formula I and its intermediates, in crystalline and amorphous forms.
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Page 10-11
(2010/02/08)
17β-acyl-17α-propynyl-11β-(cyclic amino) aryl steroids and their derivatives having antagonist hormonal properties
The invention is directed to a novel class of 17β-acyl-17α-propynyl steroids which exhibit potent antiprogestational activity.
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Page/Page column 20
(2008/06/13)
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