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US 4,307,088 AGranted
1-Hydroxy steroids, a process for the production thereof, and pharmaceutical preparations containing them
AssigneeSchering Corporation
InventorsKarl Petzoldt, Rudolf Wiechert, Hermann Steinbeck, Walter Elger
Life of this patent
Estimating the term…
Abstract
1-Hydroxy steroids of formula I ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen or alkanoyl of 1-8 carbon atoms are distinguished by strong progestational activity and only very minor androgenic side effects.
Claims8
A 1-hydroxy steroid of the formula ##STR4## wherein R.sub.1 and R.sub.2 each independently is hydrogen or alkanoyl of 1-8 carbon atoms.
Dependencies are inferred from the claim text.