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. 2021 Aug 26;64(16):12200-12227.
doi: 10.1021/acs.jmedchem.1c00855. Epub 2021 Aug 13.

Discovery of a Novel Bromodomain and Extra Terminal Domain (BET) Protein Inhibitor, I-BET282E, Suitable for Clinical Progression

Katherine L Jones  1 , Dominic M Beaumont  1 , Sharon G Bernard  1 , Rino A Bit  1 , Simon P Campbell  1 , Chun-Wa Chung  1 , Leanne Cutler  1 , Emmanuel H Demont  1 , Kate Dennis  1 , Laurie Gordon  1 , James R Gray  1 , Michael V Haase  1 , Antonia J Lewis  1 , Scott McCleary  1 , Darren J Mitchell  1 , Susanne M Moore  1 , Nigel Parr  1 , Olivia J Robb  1 , Nicholas Smithers  1 , Peter E Soden  1 , Colin J Suckling  2 , Simon Taylor  1 , Ann L Walker  1 , Robert J Watson  1 , Rab K Prinjha  1
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Discovery of a Novel Bromodomain and Extra Terminal Domain (BET) Protein Inhibitor, I-BET282E, Suitable for Clinical Progression

Katherine L Jones et al. J Med Chem. .

Abstract

The functions of the bromodomain and extra terminal (BET) family of proteins have been implicated in a wide range of diseases, particularly in the oncology and immuno-inflammatory areas, and several inhibitors are under investigation in the clinic. To mitigate the risk of attrition of these compounds due to structurally related toxicity findings, additional molecules from distinct chemical series were required. Here we describe the structure- and property-based optimization of the in vivo tool molecule I-BET151 toward I-BET282E, a molecule with properties suitable for progression into clinical studies.

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