Probing 2H-indazoles as template for SGK1, Tie2 and SRC kinase inhibitors

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Item Type:	Article
Title:	Probing 2H-indazoles as template for SGK1, Tie2 and SRC kinase inhibitors
Creators Name:	Schoene, J., Gazzi, T., Lindemann, P., Christmann, M., Volkamer, A. and Nazaré, M.
Abstract:	The broader and systematic application of a novel scaffold is often hampered by the unavailability of a short and reliable synthetic access. We investigated a new strategy for the design and synthesis of an array of N2-substituted aza-2H-indazole derivatives as potential kinase inhibitors. Guided by a rational ligand alignment approach to qualify the so far underrepresented aza-2H-indazole scaffold, indazoles were connected in N2-position with a phenyl spacer and an arylsulfonamide or amide linkage. Initial profiling against a panel of 30 kinases confirmed the in silico predicted selectivity bias. A synthesized focused library of 52 different aza-2H-indazole derivatives showed good initial selective inhibition against SGK1, Tie2 and SRC kinase with the best representatives having IC50s in the range of up to 500 nM. In a comparative computational study, these data were analyzed and rationalized in the light of docking studies.
Keywords:	Nitrogen Heterocycles, Kinase Inhibition, Drug Design, Focused Library, Scaffold, Docking
Source:	ChemMedChem
ISSN:	1860-7179
Publisher:	Wiley
Volume:	14
Number:	16
Page Range:	1514-1527
Date:	20 August 2019
Official Publication:	https://doi.org/10.1002/cmdc.201900328
PubMed:	View item in PubMed

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