Design of Novel 3-Pyrimidinylazaindole CDK2/9 Inhibitors with Potent In Vitro and In Vivo Antitumor Efficacy in a Triple-Negative Breast Cancer Model
摘要:
In the present study, a novel series of 3-pyrimidinylazaindoles were designed and synthesized using a bioinformatics strategy as cyclin-dependent kinases CDK2 and CDK9 inhibitors, which play critical roles in the cell cycle control and regulation of cell transcription. The present approach gives new dimensions to the existing SAR and opens a new opportunity for the lead optimizations from comparatively inexpensive starting materials. The study led to the identification of the alternative lead candidate 4ab with a nanomolar potency against CDK2 and CDK9 and potent antiproliferative activities against a panel of tested tumor cell lines along with a better safety ratio of similar to 33 in comparison to reported leads. In addition, the identified lead 4ab demonstrated a good solubility and an acceptable in vivo PK profile. The identified lead 4ab showed an in vivo efficacy in mouse triple-negative breast cancer (TNBC) syngeneic models with a TGI (tumor growth inhibition) of 90% without any mortality growth inhibition in comparison to reported leads.
Synthesis and biological evaluation of selected 7-azaindole derivatives as CDK9/Cyclin T and Haspin inhibitors
作者:Lianie Pieterse、Lesetja J. Legoabe、Richard M. Beteck、Béatrice Josselin、Stéphane Bach、Sandrine Ruchaud
DOI:10.1007/s00044-020-02560-1
日期:2020.8
to its value in the design of inhibitors of diseases related protein kinases. However, this scaffold has not been evaluated against Haploid germ cell-specific nuclear protein kinase (Haspin). Herein, we report the synthesis of a select set of 7-azaindole derivatives and their evaluation against Haspin. The compounds were also evaluated against CDK9/Cyclin T kinase. The synthesis of 7-azaindole derivatives
Disclosed are compounds according to Formula I:
wherein the variables are described herein.
根据以下公式I披露了化合物:其中变量如本文所述。
Enabling synthesis in fragment-based drug discovery (FBDD): microscale high-throughput optimisation of the medicinal chemist's toolbox reactions
作者:Chloe Townley、Davide Branduardi、Gianni Chessari、Benjamin D. Cons、Charlotte Griffiths-Jones、Richard J. Hall、Christopher N. Johnson、Yuji Ochi、Stuart Whibley、Rachel Grainger
DOI:10.1039/d3md00495c
日期:——
modern automated synthesis technique largely differs to the way organic chemists are traditionally trained. To make HTE accessible to all our synthetic chemists we have developed a semi-automated workflow enabled by pre-made 96-well screening kits, rapid analytical methods and in-house software development, which is empowering chemists at Astex to run HTE screens independently with minimal training.