5-Aminomethylbenzimdazoles as potent ITK antagonists

被引:33
作者
Riether, Doris [1 ]
Zindell, Renee [1 ]
Kowalski, Jennifer A. [1 ]
Cook, Brian N. [1 ]
Bentzien, Joerg [1 ]
De Lombaert, Stephane [1 ]
Thomson, David [1 ]
Kugler, Stanley Z., Jr. [1 ]
Skow, Donna [1 ]
Martin, Leslie S. [1 ]
Raymond, Ernest L. [2 ,3 ]
Khine, Hnin Hnin
O'Shea, Kathy [2 ,3 ]
Woska, Joseph R., Jr. [2 ,3 ]
Jeanfavre, Deborah [2 ,3 ]
Sellati, Rosemarie [2 ,3 ]
Ralph, Kerry L. M. [2 ,3 ]
Ahlberg, Jennifer [5 ]
Labissiere, Gabriel [5 ]
Kashem, Mohammed A. [1 ]
Pullen, Steven S. [4 ]
Takahashi, Hidenori [1 ]
机构
[1] Boehringer Ingelheim Pharmaceut Inc, Dept Med Chem, Ridgefield, CT 06877 USA
[2] Boehringer Ingelheim Pharmaceut Inc, Dept Inflammat, Ridgefield, CT 06877 USA
[3] Boehringer Ingelheim Pharmaceut Inc, Dept Immunol, Ridgefield, CT 06877 USA
[4] Boehringer Ingelheim Pharmaceut Inc, Dept Cardiovasc Dis, Ridgefield, CT 06877 USA
[5] Boehringer Ingelheim Pharmaceut Inc, Dept Drug Discovery Support, Ridgefield, CT 06877 USA
关键词
ITK; Interleukin-2 inducible T-cell kinase; 5-Aminobenzimidazole; CELL KINASE ITK; TEC FAMILY; INHIBITORS; DISCOVERY;
D O I
10.1016/j.bmcl.2009.02.012
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Benzamide 1 demonstrated good potency as a selective ITK inhibitor, however the amide moiety was found to be hydrolytically labile in vivo, resulting in low oral exposure and the generation of mutagenic aromatic amine metabolites. Replacing the benzamide with a benzylamine linker not only addressed the toxicity issue, but also improved the cellular and functional potency as well as the drug-like properties. SAR studies around the benzylamines and the identification of 10n and 10o as excellent tools for proof-of-concept studies are described. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1588 / 1591
页数:4
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