申请人:Research Corporation Technologies, Inc.
公开号:US05686422A1
公开(公告)日:1997-11-11
The present invention relates to compounds of the formula: R.sub.1 SCH(R.sub.2)CH(R.sub.3)CO-AA.sub.1 \x9bAA.sub.2 !.sub.m \x9bAA.sub.3 !.sub.n --X or HSCH.sub.2 \x9bCH.sub.2 CH(CH.sub.3).sub.2 !CO--Nal--NH.sub.2 wherein Nal is L-3-(2-naphthyl)alanine; m is the integer 0 or 1; n is an integer from 0-2; AA.sub.1 is a non-polar hydrophobic aromatic amino acid; AA.sub.2 is alanine, glycine, leucine, isoleucine or phenylalanine; AA.sub.3 is one of the twenty naturally occurring amino acids, preferably glutamine or arginine; R.sub.1 is hydrogen, alkyl having from 1-10 carbon atoms, alkanoyl having from 2-10 carbon atoms, or aroyl having from 7-10 carbon atoms; R.sub.2 is hydrogen or alkyl having from 1-6 carbon atoms; R.sub.3 is hydrogen, alkyl having from 2-10 carbon atoms, cycloalkyl having from 3-6 carbon atoms, aryl or arylalkyl, wherein aryl moieties have from 6-10 carbon atoms; X is NH.sub.2, OH, OCH.sub.3 or OCH.sub.2 CH.sub.3 ; and salts thereof.
本发明涉及以下结构的化合物:R.sub.1 SCH(R.sub.2)CH(R.sub.3)CO-AA.sub.1 \x9bAA.sub.2 !.sub.m \x9bAA.sub.3 !.sub.n --X 或 HSCH.sub.2 \x9bCH.sub.2 CH(CH.sub.3).sub.2 !CO--Nal--NH.sub.2,其中Nal是L-3-(2-萘基)丙氨酸;m为整数0或1;n为0-2的整数;AA.sub.1为非极性疏水芳香族氨基酸;AA.sub.2为丙氨酸、甘氨酸、亮氨酸、异亮氨酸或苯丙氨酸;AA.sub.3为二十种天然存在的氨基酸之一,最好为谷氨酰胺或精氨酸;R.sub.1为氢、具有1-10个碳原子的烷基、具有2-10个碳原子的烷酰基或具有7-10个碳原子的芳酰基;R.sub.2为氢或具有1-6个碳原子的烷基;R.sub.3为氢、具有2-10个碳原子的烷基、具有3-6个碳原子的环烷基、芳基或芳基烷基,其中芳基部分具有6-10个碳原子;X为NH.sub.2、OH、OCH.sub.3或OCH.sub.2 CH.sub.3;及其盐。