|5973172||14-,17--C2 -bridged norprogesterone derivatives|
The invention describes 14,17-C2 -bridged steroids of general formula (I), ##STR1## wherein the various R groups are as defined in the specification, and wherein said steroids are in contrast, with the disclaimed compound, the new com...
|5874598||Process for producing 1,2,3-trioxysteroid derivatives|
A process for the production of a compound of formula (II), which comprises reacting an epoxy compound of formula (I) with an alcohol, wherein the reaction is carried out under a basic condition. ##STR1## R1, R2, R3, ...
A process for the production of medrogestone, in which, in an intermediate step, the solvate 3ଲ,5,6ଲ-trihydroxy-6,17-dimethylpregnan-20- one monomethanolate is obtained as a solid, stable compound by displacing the org...
|4587235||Novel androstane derivatives, process for their production, and pharmaceutical preparations containing them|
Androstane derivatives of Formula I ##STR1## wherein is a single bond or a double bond, R1 is methyl or ethyl, R2 is hydrogen or alkyl of 1-8 carbon atoms, --X-- is --(CH2)n --, --CH.dbd.CH(CH2)m