| abstract |
A compound of the formula 2a '** Formula ** or a stereoisomer, tautomer, or pharmaceutically acceptable salt thereof, wherein: each X and Y is independently selected from the group consisting of alkyl, alkenyl, or optionally straight or branched alkynyl replaced; an optionally substituted carbocyclic, heterocyclic, aryl, or heteroaryl group; halo; an optionally substituted C2-22acyl group; a group -NR4R5; a group -C (O) R6; a group - (ethoxy) n-R6, where n is 1-12; an optionally substituted alkoxycarbonyl group; an optionally substituted alkyloxy group; an optionally substituted amino group; a nitro group; and a carboxyl group; R4 and R5 are each independently selected from the group consisting of H; optionally substituted straight or branched alkyl, alkenyl, or alkynyl; and -C (O) R6; and each R6 is independently selected from the group consisting of an optionally substituted straight or branched alkyl, alkenyl, or alkynyl; an optionally substituted carbocyclic, heterocyclic, aryl, or heteroaryl group; an optionally substituted alkyloxy group; and an alkylacrylate group (such as ethyl acrylate). |