4-(Benzimidazol-2-yl)-1,2,5-oxadiazol-3-ylamine derivatives: Potent and selective p70S6 kinase inhibitors

被引:30
作者
Bandarage, Upul [1 ]
Hare, Brian [1 ]
Parsons, Jonathan [1 ]
Pham, Ly [1 ]
Marhefka, Craig [1 ]
Bemis, Guy [1 ]
Tang, Qing [1 ]
Moody, Cameron Stuver [1 ]
Rodems, Steve [2 ]
Shah, Sundeep [2 ]
Adams, Chris [3 ]
Bravo, Jose [3 ]
Charonnet, Emmanuelle [3 ]
Savic, Vladimir [3 ]
Come, Jon H. [1 ]
Green, Jeremy [1 ]
机构
[1] Vertex Pharmaceut Inc, Cambridge, MA 02139 USA
[2] Vertex Pharmaceut Inc, San Diego, CA 92121 USA
[3] Biofocus, Saffron Walden CB10 1XL, Essex, England
关键词
p70S6K; p70S6; Kinase; 1,2,5-Oxadiazole; 3-Aminofurazan; RHO-KINASE; MSK-1-INHIBITORS;
D O I
10.1016/j.bmcl.2009.07.022
中图分类号
R914 [药物化学];
学科分类号
100705 [微生物与生化药学];
摘要
We report herein the design and synthesis of 4-(benzimidazol-2-yl)-1,2,5-oxadiazol-3-amine derivatives as inhibitors of p70S6 kinase. Screening hits containing the 4-(benzimidazol-2-yl)-1,2,5-oxadiazol-3-ylamine scaffold were optimized for p70S6K potency and selectivity against related kinases. Structure-based design employing an active site homology model derived from PKA led to the preparation of benzimidazole 5-substituted compounds 26 and 27 as highly potent inhibitors (K-i < 1 nM) of p70S6K, with > 100-fold selectivity against PKA, ROCK and GSK3. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:5191 / 5194
页数:4
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