19-nor-steroid esters

Details 19-nor-steroid esters 19-nor-steroid esters

1992-04-30

1994-01-04

Shah, Mukund J.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Cyclopentanohydrophenanthrene ring system doai

552540, 552548, 552553, 552554, 552590, 552643, 552648, A61K 3156, A61K 3158, C07J 1700

Patent

active

052760235

ABSTRACT:
A compound of the formula ##STR1## wherein R.sub.1 is an aliphatic hydrocarbon of 1 to 8 carbon atoms, R.sub.2 and R.sub.3 are individually hydrogen or alkyl of 1 to 4 carbon atoms, G is a hydrocarbon of 1 to 18 carbon atoms optionally containing at least one heteroatom and linked to the steroid nucleus by a carbon atom, X is X.sub.A or X.sub.B, X.sub.A is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms, aralkyl of 7 to 15 carbon atoms, acyl of an organic carboxylic acid of 1 to 8 carbon atoms and Y is -B-O--CO--A-Z, B is a saturated or unsaturated, linear or branched alkylene of 1 to 8 carbon atoms, A is a saturated or unsaturated, linear or branched alkylene of 1 to 6 carbon atoms and optionally interrupted or ended by a bivalent aromatic or is a bivalent aromatic and Z is --COOH or --SO.sub.3 H which may be salified with an alkali metal, alkaline earth metal, an organic amine or --NH.sub.4 or X.sub.B is --COAZ, A and Z are defined as above and Y is selected from the group consisting of --C.tbd.C--R.sub.4, --CH.dbd.CH--R.sub.4 and --CH.sub.2 --CH.sub.2 --R.sub.4, R.sub.4 is selected from the group consisting of hydrogen, halogen, alkyl of 1 to 6 carbon atoms, trialkylsilyl having 3 to 12 carbon atoms and phenyl, the alkyl and phenyl being optionally substituted and the 13-wavy line indicates that R.sub.1 can be in the .alpha.- or .beta.-position having antiprogestomimetic and antiglucocorticoid properties among others.

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