Abstract: Compounds of the formula wherein the substituents are as defined in the application and their pharmaceutically acceptable acid and base salts thereof which are useful for preventing loss of bone matrix.

Abstract: A subject of the invention is the products of formula (I): in which: R1 and R2 represent in particular cyano and trifluoromethyl, R3 represents in particular alkyl, alkenyl or alkynyl, substituted in particular by nitrooxy or carbonyloxy, R4 and R5 represent in particular methyl optionally substituted by fluorine, X and Y represent in particular oxygen, as well as their salts and isomers.

Abstract: A particular subject of the invention is the products of formula (I): ##STR1## in which: R.sub.1 and R.sub.2 represent in particular cyano and trifluoromethyl,R.sub.3 represents in particular alkyl, alkenyl or alkynyl, optionally substituted by one or more halogen, cyano or hydroxyl radicals,R.sub.4 and R.sub.5 either represent in particular methyl optionally substituted by fluorine,or form in particular a cyclohexyl radical,X and Y represent in particular oxygen,as well as their salts and isomers.

Abstract: Novel imidazoles of the formula ##STR1## wherein the substituents are as defined in the disclosure and their non-toxic, pharmaceutically acceptable addition salts with acids and bases having antiandrogenic activity.

Abstract: A compound in all possible racemic, enantiomeric and diastereoisomer forms of the formula ##STR1## wherein Y is --O--, Z.sub.2 is --CF.sub.3, Z.sub.1 is --CN or --NO.sub.2, X is --O-- or --S--, R.sub.3 is hydrogen or alkyl of 1 to 4 carbon atoms optionally substituted by at least one halogen or --CN and R.sub.4 and R.sub.5 are individually alkyl of 1 to 4 carbon atoms optionally substituted with a member of the group consisting of halogen, --OH, esterified or etherified or protected hydroxy and phenylthio optionally substituted by halogen or --OH, and wherein at least one of R.sub.4 and R.sub.5 is substituted having antiandrogenic activity.

Abstract: Described herein are novel imidazoles of the formula ##STR1## wherein the substituents are as defined in the disclosure and their non-toxic, pharmaceutically acceptable addition salts with acids and bases having antiandrogenic activity.

Abstract: Novel imidazoles of the formula ##STR1## wherein the substituents are as defined in the disclosure and their non-toxic, pharmaceutically acceptable addition salts with acids and bases having antiandrogenic activity.

Abstract: A compound of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of --CN, --NO.sub.2 and halogen, R.sub.2 is --CF.sub.3 or halogen, --A--B-- is selected from the group consisting of ##STR2## X is --O-- or --S--, R.sub.3 is selected from the group consisting of hydrogen, alkyl, alkenyl and alkynyl of up to 12 carbon atoms, aryl and aralkyl of up to 12 carbon atoms, all optionally substituted with at least one member of the group consisting of --OH, halogen, --SH, --CN, acyl and acyloxy of up to 7 carbon atoms, --aryl, --O--aryl, --O--aralkyl --S-- aryl of up to 12 carbon atoms the aryl and aralkyl being optionally substituted with a member of the group consisting of halogen, --CF.sub.3, alkyl, alkoxy, alkenyl, alkenyloxy, alkynyl and alkynyloxy with the sulfur being optionally oxidized to sulfone or sulfoxide, free, esterified, amidified or salified carboxy, --NH.sub.

Abstract: Novel phenyimidazolidines having the following formula ##STR1## wherein the substituents are as recited in the specification and their non-toxic, pharmaceutically acceptable acid addition salts having anti-androgenic activity.

Abstract: A compound selected from the group consisting of compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 are individually selected from the group consisting of --CN, --NO.sub.2, halogen, --CF.sub.3, free carboxy, salified carboxy, and carboxy esterified with lower alkyl; -A-B- is selected from the group consisting of ##STR2## and X, R.sub.3, R.sub.4 and R.sub.5 are defined as in the specification and their non-toxic, pharmaceutically acceptable acid addition salts having anti-androgenic activity.

Abstract: A compound of the formula ##STR1## wherein R.sub.1 is --CN, --NO.sub.2 or halogen, R.sub.2 is --CF.sub.3 or halogen, --A-B-- is of ##STR2## X is --O-- or --S--, R.sub.3 is hydrogen, alkyl, alkenyl or alkynyl of up to 12 carbon atoms, aryl and aralkyl of up to 12 carbon atoms, all optionally substituted by --OH, halogen, --SH, --CN, acyl and acyloxy of up to 7 carbon atoms, --aryl, --O--aryl, --O--aralkyl --S-- aryl of up to 12 carbon atoms the aryl and aralkyl being optionally substituted by halogen, --CF.sub.3, alkyl, alkoxy, alkenyl, alkenyloxy, alkynyl or alkynyloxy with the sulfur being optionally oxidized to sulfone or sulfoxide, free, esterified, amidified or salified carboxy, --NH.sub.

Abstract: A compound of the formula ##STR1## wherein R.sub.1 is --CN, --NO.sub.2 or halogen, R.sub.2 is --CF.sub.3 or halogen, --A--B-- is of ##STR2## X is --O-- or --S--, R.sub.3 is hydrogen, alkyl, alkenyl or alkynyl of up to 12 carbon atoms, aryl and aralkyl of up to 12 carbon atoms, all optionally substituted by --OH, halogen, --SH, --CN, acyl and acyloxy of up to 7 carbon atoms, --aryl, --O--aryl, --O--aralkyl --S-- aryl of up to 12 carbon atoms the aryl and aralkyl being optionally substituted by halogen, --CF.sub.3, alkyl, alkoxy, alkenyl, alkenyloxy, alkynyl or alkynyloxy with the sulfur being optionally oxidized to sulfone or sulfoxide, free, esterified, amidified or salified carboxy, --NH.sub.