| abstract |
Compounds having the formula (I), wherein E is formula (E1), (E2), (E3), or -NR11R12; G is a novel side chain selected from C2-6alkenyl, A3-aryl, -OR18, heteroaryl, A1-cyano, A2-OR17, A1-C(=O)R18, A1-CO2R18, A1-CO2R18, A1-C(=O)NR18R19, A1-OC(=O)R18, A1-NR18C(=O)R19, A1-OC(=O)NR18R19, A1-NR18CO2R19, A1-NR18SO2R17, A1-SO2R17, A1-NR20C(=O)NR18R19, and A1-SR18; or when y is O or when W is not NHR22, G may be A1-heterocyclo, wherein A1 is a bond, C1-6alkylene or C2-6alkenylene, A2 is C1-6alkylene or C2-6alkenylene, and A3 is C2-6alkenylene; W is selected from-NR21R22, -OR23, -NR21C(=O)R24, -NR21CO2R24, amidino, guanidino, or a heteroaryl, heterocyclo, or C3-7cycloalkyl as defined in the specification, and X and R1 through R24 are as defined in the specification, are effective as modulators of melanocortin-receptors, particularly MC-1R and MC-4R. |