| abstract |
Compounds of formula (I): wherein X is O or S, R 1 is acyl, aldehyde, cycloalkyl, an optionally substituted alkyl, alkenyl or alkynyl, R 2 is H. alkyl, hydroxyalkyl, haloalkyl, alkenyl, or alkynyl; substituted alkyl; alkylcarbonyl; R 3 and R 4 are H, halogen, alkyl, alkenyl, alkynyl, alkoxyl, alkylthio, hydroxyalkyl, haloalkyl, haloalkenyl, or haloalkynyl; or R 3 and R 4 form an, optionally aromatic or heterocyclic, optionally substituted ring, R 5 is H, halogen, trifluoromethyl, —CN, or —NO2; not all of R 3 , R 4 , and R 5 being H, R 6 and R 9 are H, halogen, OH; alkyl. hydroxyalkyl, alkoxyl, thioalkyl, haloalkyl, alkenyl, or alkynyl; R 7 and R 8 are H, halogen, OH, SH; alkoxyl or alkylthio optionally substituted by OH and/or halogen; one of R 7 and R 8 not being H or halogen; or one of R 7 and R 8 is a pharmaceutically acceptable ester or thioester grouping, or R 6 is C 1-3 -alkyl or, together with either R 1 or R 2 , represents C 1-3 alkylene or alkenylene linking group, optionally substituted by methyl, trifluoromethyl, OH, or halogen, and pharmaceutically acceptable salts and esters thereof, are useful as selective androgen modulators. |