申请人:——
公开号:US20040019069A1
公开(公告)日:2004-01-29
Compounds having somatostatin activity of the following Formula I,
1
wherein,
R
1
is aryl, substituted-aryl, and aryl-(lower-alkyl)-;
R
2
is lower alkyl, amino substituted lower alkyl, -carboxy-(lower-alkyl), -carbamic acid-(lower-alkyl) and -carboxy-(lower-alkyl)-aryl; and
R
3
and R
4
are independently, lower-alkyl, aryl, substituted-aryl, (substituted-aryl)-(lower-alkyl)-, heteroaryl, (heteroaryl)-(lower-alkyl)-, substituted-heteroaryl, (substituted heteroaryl)-(lower-alkyl)-, heterocyclic, heterocyclic-(lower-alkyl)-, substituted-heterocyclic, (substituted-heterocylic)-(lower alkyl)-, -carboxy-(lower-alkyl), and -carboxy-(lower-alkyl)-aryl; or a pharmaceutically acceptable, ester, ether, or salt thereof; methods for their use; and preparation.
具有生长抑素活性的化合物的式子I,其中,
R1是芳基,取代芳基和芳基-(较低烷基)-;
R2是较低烷基,氨基取代的较低烷基,-羧基-(较低烷基),-氨基甲酸酯-(较低烷基)和-羧基-(较低烷基)-芳基;
而R3和R4独立地是较低烷基,芳基,取代芳基,(取代芳基)-(较低烷基)-,杂环芳基,(杂环芳基)-(较低烷基)-,取代的杂环芳基,(取代的杂环芳基)-(较低烷基)-,杂环,杂环-(较低烷基)-,取代的杂环,(取代的杂环)-(较低烷基)-,-羧基-(较低烷基)和-羧基-(较低烷基)-芳基;
或其药学上可接受的酯,醚或盐;其使用方法;以及制备方法。