Development of Highly Potent Inhibitors of Ras Farnesyltransferase Possessing Cellular and <i>in Vivo </i>Activity
作者:Katerina Leftheris、Toni Kline、Gregory D. Vite、Young H. Cho、Rajeev S. Bhide、Dinesh V. Patel、Manorama M. Patel、Robert J. Schmidt、Harold N. Weller、Mary L. Andahazy、Joan M. Carboni、Johnni L. Gullo-Brown、Francis Y. F. Lee、Carol Ricca、William C. Rose、Ning Yan、Mariano Barbacid、John T. Hunt、Chester A. Meyers、Bernd R. Seizinger、Robert Zahler、Veeraswamy Manne
DOI:10.1021/jm950642a
日期:1996.1.1
Analogs of CVFM (a known nonsubstrate farnesyltransferase (FT) inhibitor derived from a CA1A2X sequence where C is cysteine, A is an aliphatic residue, and X is any residue) were prepared where phenylalanine was replaced by (Z)-dehydrophenylalanine, 2-aminoindan-2-carboxylate, 1,2,3,4-tetrahydroisoquinoline-3-carboxylate (Tic), and indoline-2-carboxylate. The greatest improvement in FT inhibitory potency
制备了CVFM(衍生自CA1A2X序列的已知非底物法尼基转移酶(FT)抑制剂的类似物,其中C为半胱氨酸,A为脂族残基,X为任何残基),其中苯丙氨酸被(Z)-脱氢苯丙氨酸,2-氨基茚满取代-2-羧酸盐,1,2,3,4-四氢异喹啉-3-羧酸盐(Tic)和二氢吲哚-2-羧酸盐。对于Tic衍生物(IC50 = 1 nM),观察到了FT抑制能力的最大改善。然而,该化合物在阻断致癌Ras诱导的NIH-3T3成纤维细胞转化方面无效。制备了其中并入了Cys-Val亚甲胺等排体和Tic替代物的化合物。该衍生物抑制FT的IC50为0.6 nM,并且在5 microM时抑制了稳定转化的NIH-3T3成纤维细胞的不依赖贴壁的生长。用叔丁基取代该衍生物的A1侧链,并用谷氨酰胺取代X位置,得到的衍生物的IC50为2.8 nM,EC50为0.19 microM,比(S *,R * )-N-[[2- [N-(2-氨基-3-巯基丙基)-L-戊基]