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Bioorg Med Chem Lett. 2011 Feb 15;21(4):1176-80. doi: 10.1016/j.bmcl.2010.12.094. Epub 2010 Dec 23.

Potent and selective cyclohexyl-derived imidazopyrazine insulin-like growth factor 1 receptor inhibitors with in vivo efficacy.

Author information

1
(OSI) Oncology, OSI Pharmaceuticals, Inc., 1 Bioscience Park Drive, Farmingdale, NY 11735, USA. mjin@osip.com

Abstract

Preclinical and emerging clinical evidence suggests that inhibiting insulin-like growth factor 1 receptor (IGF-1R) signaling may offer a promising therapeutic strategy for the treatment of several types of cancer. This Letter describes the medicinal chemistry effort towards a series of 8-amino-imidazo[1,5-a]pyrazine derived inhibitors of IGF-1R which features a substituted quinoline moiety at the C1 position and a cyclohexyl linking moiety at the C3 position. Lead optimization efforts which included the optimization of structure-activity relationships and drug metabolism and pharmacokinetic properties led to the identification of compound 9m, a potent, selective and orally bioavailable inhibitor of IGF-1R with in vivo efficacy in an IGF-driven mouse xenograft model.

PMID:
21251824
DOI:
10.1016/j.bmcl.2010.12.094
[Indexed for MEDLINE]

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