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US 5,407,928 AGranted
11.beta.-aryl-gona-4,9-dien-3-ones
AssigneeSchering Corporation
InventorsHelmut Kasch, Gudrun Bertram, Kurt Ponsold, Gerd Schubert, Heidemarie Rohrig, Anatoli Kurischko, Bernd Menzenbach
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Abstract
This invention relates to 11.beta.-aryl-gona-4,9-dienes of the general formula I ##STR1## wherein the variables are defined in the specification. The compounds are progesterone antagonists and are suitable for inducing labor or an abortion.
Claims5
An 11.beta.-aryl-gona-4,9-diene of formula I ##STR7## R.sup.3 is methoxy;
- R.sup.4 is propinyl or methoxymethyl;
- and
- R.sup.5 is H.
Dependencies are inferred from the claim text.