Synthesis of Modified Tripeptides and Tetrapeptides as potential bisubstrate inhibitors of the epidermal growth factor receptor protein tyrosine kinase
作者:Gérard Rossé、Urs Séquin、Helmut Mett、Pascal Furet、Peter Traxler、Heinz Fretz
DOI:10.1002/hlca.19970800304
日期:1997.5.12
The synthesis of a series of bisubstrate inhibitors of the epidermal growth factor receptor protein kinase (EGF-R PTK) consisting of small pep tides linked covalently to adenosine via appropriate triphosphate substitutes is described. Boc-Glu(OtBu)-Tyr-Leu-OBzl (5) and Ac-Glu(OtBu)-Tyr-Leu-Arg(Pmc)-NH2 (8; Pmc = 2,2,5,7,8-pentamethylchroman-6-sulfonyl) were prepared by standard peptide chemistry, (Scheme
描述了一系列的表皮生长因子受体蛋白激酶(EGF-R PTK)的双底物抑制剂的合成,这些抑制剂由通过适当的三磷酸酯替代物与腺苷共价连接的小肽组成。Boc-Glu(O t Bu)-Tyr-Leu-OBzl(5)和Ac-Glu(O t Bu)-Tyr-Leu-Arg(Pmc)-NH 2(8 ; Pmc = 2,2,5,7通过标准的肽化学制备(8-五甲基苯并吡喃-6-磺酰基)(方案1),然后用己二酸酐或4-(氯磺酰基)苯甲酸,4-(氯磺酰基)-2在酪氨酸的OH基上进行修饰。 -羟基苯甲酸或苯-1,4-二磺酰二氯(方案2),最后与2',3'- O-异丙基亚氨腺苷的5'-OH基偶联(方案3)。另外,将ATP替代物N 6 -[(苄氧基)羰基] -2',3' - O-异亚丙基-腺苷5'-(己二酸氢二乙酯)(26)与5的吗啉化物偶联(方案4)。除去保护基得到双底物类似物23、24和28。测试了合成的化合物作为EGF-R