| abstract |
The present invention provides compounds of formula (I) wherein R1 is H or benzyl; R2 is H, -OH, or -O-benzyl; R3, R4, and R5 are independently selected from H, halogen, cyano, C1-C6 alkyl (straight chain or branched), trifluoromethyl, -OH or the C1-C12 esters (straight chain or branched) or C1-C12 alkyl ethers (straight chain or branched or cyclic) thereof, or C1-C6 halogenated ethers; R6 is H or C1-C6 alkyl; R7 is C1-C6 alkyl; n is 2 to 3; Y is O or S; and X is the moiety -NR'R' wherein R' is selected from C1-C6 lower alkyl or X is one of the moieties (A), (B), (C), or (D); or a pharmaceutically acceptable salt thereof, as well as pharmaceutical compositions and methods utilizing the compounds for treating or preventing disease states or syndromes which are caused or associated with an estrogen deficiency or an excess of estrogen utilizing these compounds. |