Synthesis, structure-activity relationship and crystallographic studies of 3-substituted indolin-2-one RET inhibitors

Mologni, L. and Rostagno, R. and Brussolo, S. and Knowles, P.P. and Kjaer, S. and Murray-Rust, J. and Rosso, E. and Zambon, A. and Scapozza, L. and McDonald, Neil Q. and Lucchini, V. and Gambacorti-Passerini, C. (2010) Synthesis, structure-activity relationship and crystallographic studies of 3-substituted indolin-2-one RET inhibitors. Bioorganic & Medicinal Chemistry 18 (4), pp. 1482-1496. ISSN 1464-3391.

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Official URL: http://dx.doi.org/10.1016/j.bmc.2010.01.011

Abstract

The synthesis, structure–activity relationships (SAR) and structural data of a series of indolin-2-one inhibitors of RET tyrosine kinase are described. These compounds were designed to explore the available space around the indolinone scaffold within RET active site. Several substitutions at different positions were tested and biochemical data were used to draw a molecular model of steric and electrostatic interactions, which can be applied to design more potent and selective RET inhibitors. The crystal structures of RET kinase domain in complex with three inhibitors were solved. All three compounds bound in the ATP pocket and formed two hydrogen bonds with the kinase hinge region. Crystallographic analysis confirmed predictions from molecular modelling and helped refine SAR results. These data provide important information for the development of indolinone inhibitors for the treatment of RET-driven cancers.

Metadata

Item Type:	Article
School:	Birkbeck Faculties and Schools > Faculty of Science > School of Natural Sciences
Research Centres and Institutes:	Structural Molecular Biology, Institute of (ISMB)
Depositing User:	Administrator
Date Deposited:	04 Aug 2010 14:09
Last Modified:	02 Aug 2023 16:49
URI:	https://eprints.bbk.ac.uk/id/eprint/1035

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