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.

Abstract: A compound of the formula ##STR1## wherein R.sub.1 is an aliphatic hydrocarbon of 1 to 8 carbon atoms, R.sub.a and R.sub.b are individually hydrogen or alkyl of 1 to 4 carbon atoms, R.sub.2 is hydrogen or optionally substituted alkyl of 1 to 12 carbon atoms, n is an integer from 1 to 6, Z is free carboxy or salified with an alkali metal, alkaline earth metal or NH.sub.4 and X is the remainder of an optionally substituted and optionally unsaturated 5 or 6-member ring and the wavy line indicates the .alpha.- or .beta.-position for R.sub.1 having anti-glucocorticoid activity.

Abstract: A method of treating hormone-dependent cancer of an organ selected from the group consisting of bladder, brain, breast, lymphatic systems, kidney, liver, skin and ovaries in warm-blooded animals having such a cancer comprising administering to said warm-blooded animals an amount of 1-(3-'trifluoromethyl-4'-nitro-phenyl)-4,4-dimethyl-imidazoline-2,5-dione sufficient to combat said hormone-dependent cancer.

Abstract: Novel 19-nor steroids of the formula ##STR1## wherein R' is selected from the group consisting of propyl, propenyl, iodoethenyl, iodoethynyl or --C.tbd.C--CH.sub.2 --Hal.sub.1, Hal.sub.1 is selected from the group consisting of fluorine, chlorine and bromine and their non-toxic, pharmaceutically acceptable acid addition salts having a remarkable antiglucocorticoid and antiprogestomimetic activity.

Abstract: A compound selected from the group consisting of compounds of the formula ##STR1## wherein R.sub.1 is an organo of 1 to 18 carbon atoms optionally containing at least one heteroatom connected to the C ring by a carbon atom, R.sub.2 is methyl or ethyl, the A and B rings being selected from the group consisting of ##STR2## Re is selected from the group consisting of hydrogen, optionally substituted alkyl of 1 to 6 carbon atoms and acyl and the D ring is selected from the group consisting of ##STR3## one of R.sub.3 and R.sub.4 is selected from the group consisting of hydroxy, protected hydroxy, acyl and alkoxy and the other is an optionally substituted aryl, R.sub.5 is an optionally substituted aryl and their non-toxic, pharmaceutically acceptable salts with acids and bases with the proviso that when the A and B rings are ##STR4## R.sub.1 is ##STR5## R.sub.2 is methyl, R.sub.3 is --OH, R.sub.4 is phenyl having anti proliferative properties.

Abstract: Steroids with a 17-spiro substituent of 3,4 or 6 ring members of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of carbocyclic aryl, heterocyclic aryl and aralkyl, R.sub.2 is a hydrocarbon of 1 to 18 carbon atoms in the .alpha.-or .beta.-position, the wavy line of the spiro ether indicates the oxygen is .alpha.-or .beta.-, X is selected from the group consisting of --CH.dbd.CH--CH.sub.2 --CH.sub.2 -- and --(CH.sub.2).sub.n --, n is 1, 2 or 4, the A and B rings have a structure selected from the group consisting of ##STR2## R' and R" are individually hydrogen or alkyl of 1 to 4 carbon atoms, R.sub.e is selected from the group consisting of hydrogen, alkyl of 1 to 6 carbon atoms, substituted alkyl of 1 to 6 carbon atoms and acyl and their non-toxic, pharmaceutically acceptable acid addition salts having a remarkable antiprogestomimetic activity.

Abstract: A compound in all possible racemic and optically active forms of the formula ##STR1## wherein .dbd.X is .dbd.O or imino having antiandrogenic activity and novel intermediates and processes for their preparations.

Abstract: Novel radioactive steroids labelled with tritium of the formula ##STR1## wherein .sup.3 H is tritium and R and R.sub.1 are individually selected from the group consisting of hydrogen, alkyl of 1 to 6 carbon atoms and acyl of an organic carboxylic acid of 1 to 10 carbon atoms useful for revealing receptors of glucocorticoids and in determining the number of fixation sites of glucocorticoids and novel intermediates.

Abstract: Novel radioactive steriods labelled with tritium of the formula ##STR1## wherein .sup.3 H is tritium and R and R.sub.1 are individually selected from the group consisting of hydrogen, alkyl of 1 to 6 carbon atoms and acyl of an organic carboxylic acid of 1 to 10 carbon atoms useful for revealing receptors of glucocorticoids and in determining the number of fixation sites on glucocorticoids and novel intermediates.