An arginine derivative represented by the formula:
1
[wherein Ar
1
and Ar
2
may be the same or different, and are each a phenyl group, a substituted phenyl group, a naphthyl group, a substituted naphthyl group or a heteroaromatic ring group containing one or more of nitrogen, oxygen and sulfur atoms; Y
1
is a C
1-5
alkylene group, a C
2-5
alkenylene group or a single bond; and the C
1-5
alkylene group optionally contains a carbon atom substituted with a phenyl group, a substituted phenyl group, a naphthyl group, a substituted naphthyl group or a C
1-10
acylamino group; Q is a carbonyl group or a sulfonyl group; Y
2
is a C
1-5
alkylene group; the C
1-5
alkylene group optionally contains a carbon atom substituted with a phenyl group, a substituted phenyl group, a naphthyl group, a substituted naphthyl group, a hydroxyl group, a carbamoyl group, a mono-C
1-5
alkylamide group or a di-C
1-5
alkylamide group], or a pharmaceutically acceptable salt thereof.
There are provided peptidergic ligands which have the affinity and specificity to MC
4
receptor.
一种精
氨酸衍
生物,其分子式为
1
其中 Ar
1
和 Ar
2
可以相同或不同,且各自为苯基、取代苯基、
萘基、取代
萘基或含有一个或多个氮、氧和
硫原子的杂芳环基团;Y
1
是一个 C
1-5
烯基、C
2-5
烯基或单键;而 C
1-5
烯基可选择包含一个被苯基、取代苯基、
萘基、取代
萘基或 C
1-10
酰
氨基; Q 是羰基或磺酰基; Y
2
是一个 C
1-5
烯基;C
1-5
烯基可选择包含一个被苯基、取代苯基、
萘基、取代
萘基、羟基、
氨基甲酰基、单-C
1-5
烷基酰胺基团或二-C
1-5
烷基酰胺基团或二-C 1-5 烷基酰胺基团或其药学上可接受的盐。
提供的肽
配体对 MC
4
受体的亲和性和特异性。