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US 5,321,044 AGranted
15,16-seco-19-nor progestins
AssigneeSRI International
InventorsRichard H. Peters, Masato Tanabe
Life of this patent
Estimating the term…
Abstract
15,16-Seco-19-nor progestins are provided which display elevated progestational activity with a minimum of ancillary hormonal activity. Processes for the preparation of the novel progestins are provided as are methods of use. A preferred method of use is in the suppression of ovulation in the human female.
Claims8
A compound having the formula (Va) or (Vb):
- ##STR53## wherein R is hydrogen or an acyl group of the formula --(C.dbd.O)--Y;
- Y is an organic substituent selected from the group consisting of alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkylene, haloalkyl, aryl, haloaryl and arylalkylene;
- R.sup.1 is selected from the group consisting of hydrogen, alkyl, alkenyl and alkynyl;
- R.sup.2 is selected from the group consisting of hydrogen, lower alkyl and cyano.
1 more element
Dependencies are inferred from the claim text.