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Optimization of Naphthyridones into Selective TATA-Binding Protein Associated Factor 1 (TAF1) Bromodomain Inhibitors.

ABSTRACT: Bromodomain containing proteins and the acetyl-lysine binding bromodomains contained therein are increasingly attractive targets for the development of novel epigenetic therapeutics. To help validate this target class and unravel the complex associated biology, there has been a concerted effort to develop selective small molecule bromodomain inhibitors. Herein we describe the structure-based efforts and multiple challenges encountered in optimizing a naphthyridone template into selective TAF1(2) bromodomain inhibitors which, while unsuitable as chemical probes themselves, show promise for the future development of small molecules to interrogate TAF1(2) biology. Key to this work was the introduction and modulation of the basicity of a pendant amine which had a substantial impact on not only bromodomain selectivity but also cellular target engagement.

SUBMITTER: Clegg MA 

PROVIDER: S-EPMC8366007 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature

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Optimization of Naphthyridones into Selective TATA-Binding Protein Associated Factor 1 (TAF1) Bromodomain Inhibitors.

Clegg Michael A MA   Theodoulou Natalie H NH   Bamborough Paul P   Chung Chun-Wa CW   Craggs Peter D PD   Demont Emmanuel H EH   Gordon Laurie J LJ   Liwicki Gemma M GM   Phillipou Alex A   Tomkinson Nicholas C O NCO   Prinjha Rab K RK   Humphreys Philip G PG  

ACS medicinal chemistry letters 20210803 8

Bromodomain containing proteins and the acetyl-lysine binding bromodomains contained therein are increasingly attractive targets for the development of novel epigenetic therapeutics. To help validate this target class and unravel the complex associated biology, there has been a concerted effort to develop selective small molecule bromodomain inhibitors. Herein we describe the structure-based efforts and multiple challenges encountered in optimizing a naphthyridone template into selective TAF1(2)  ...[more]

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