[EN] MELANOCORTIN RECEPTOR LIGANDS<br/>[FR] LIGANDS DES RECEPTEURS DE LA MELANOCORTINE
申请人:PROCTER & GAMBLE
公开号:WO2004037797A2
公开(公告)日:2004-05-06
The present invention relates to compounds which comprise a nitrogen-containing ring scaffold substituted by an R1 alkyl units selected from the group consisting of C1-C12 linear or branched alkyl, C3-C8 cyclic alkyl, C2-C12 linear or branched alkenyl, or haloalkyl, for example, the 2-keto-3-alkylpiperazines having the formula (I): wherein R is selected from the group consisting of phenyl, 3-fluorophenyl, 4-fluorophenyl, 3,5-difluorophenyl, and 4-chlorophenyl; R1 is selected from the group consisting of methyl, ethyl, propyl, iso-propyl, butyl, iso-butyl, sec-butyl, tert-butyl, cyclopropyl, cyclopropylmethyl, cyclopentyl, cyclopentylmethyl, cyclohexyl, cyclohexylmethyl, benzyl, allyl, 1-methylallyl, 2-methylallyl, but-2-enyl, and propargyll; R7a is selected from the group consisting of hydrogen, -CO2H, -CONH2, -CONHCH3, and -CON(CH3)2; R8 is benzyl, substituted benzyl, or naphthalen-2-ylmethyl..