<i>N</i>-(Cycloalkylamino)acyl-2-aminothiazole Inhibitors of Cyclin-Dependent Kinase 2. <i>N</i>-[5-[[[5-(1,1-Dimethylethyl)-2-oxazolyl]methyl]thio]-2-thiazolyl]-4- piperidinecarboxamide (BMS-387032), a Highly Efficacious and Selective Antitumor Agent
作者:Raj N. Misra、Hai-yun Xiao、Kyoung S. Kim、Songfeng Lu、Wen-Ching Han、Stephanie A. Barbosa、John T. Hunt、David B. Rawlins、Weifang Shan、Syed Z. Ahmed、Ligang Qian、Bang-Chi Chen、Rulin Zhao、Mark S. Bednarz、Kristen A. Kellar、Janet G. Mulheron、Roberta Batorsky、Urvashi Roongta、Amrita Kamath、Punit Marathe、Sunanda A. Ranadive、John S. Sack、John S. Tokarski、Nikola P. Pavletich、Francis Y. F. Lee、Kevin R. Webster、S. David Kimball
DOI:10.1021/jm0305568
日期:2004.3.1
found to be potent, selective inhibitors of CDK2/cycE which exhibit antitumor activity in mice. In particular, compound 21 [N-[5-[[[5-(1,1-dimethylethyl)-2-oxazolyl]methyl]thio]-2-thiazolyl]-4-piperidinec arboxamide, BMS-387032], has been identified as an ATP-competitive and CDK2-selective inhibitor which has been selected to enter Phase 1 human clinical trials as an antitumor agent. In a cell-free enzyme
发现具有含碱性胺的非芳香族酰基侧链的N-酰基-2-氨基噻唑是有效的,选择性的CDK2 / cycE抑制剂,在小鼠中表现出抗肿瘤活性。特别是化合物21 [N- [5-[[[5-(1,1-二甲基乙基)-2-恶唑基]甲基]硫代] -2-噻唑基] -4-哌啶基芳酰胺,BMS-387032]被确定为具有ATP竞争性和CDK2选择性的抑制剂,已被选作抗肿瘤药物进入1期人类临床试验。在无细胞酶分析中,21显示CDK2 / cycE IC(50)= 48 nM,选择性分别是CDK1 / cycB和CDK4 / cycD的10倍和20倍。在一组12种无关的激酶上也具有很高的选择性。在A2780细胞毒性实验中建立了抗增殖活性,其中21个显示IC(50)= 95 nM。代谢和药代动力学研究表明,21种在三种物种中的血浆半衰期为5-7小时,在小鼠(69%)和人(63%)血清中的蛋白结合率均较低。口服给予小鼠,大鼠