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Bioorg Med Chem Lett. 2010 Jan 1;20(1):375-9. doi: 10.1016/j.bmcl.2009.10.075. Epub 2009 Oct 22.

Discovery of 2-arylthieno[3,2-d]pyrimidines containing 8-oxa-3-azabi-cyclo[3.2.1]octane in the 4-position as potent inhibitors of mTOR with selectivity over PI3K.

Author information

1
Chemical Sciences, Wyeth Research, 401 N. Middletown Rd, Pearl River, NY 10965, USA. verheij@wyeth.com

Abstract

2-Aryl-4-morpholinothieno[3,2-d]pyrimidines are known PI3K inhibitors. This class of compounds also potently inhibited the homologous enzyme mTOR. Replacement of the morpholine group in these compounds with an 8-oxa-3-azabicyclo[3.2.1]octane group led to mTOR inhibitors with selectivity over PI3K. Optimization of the 2-aryl substituent led to the discovery of 2-(4-ureidophenyl)-thienopyrimidines as highly potent (IC(50) <1nM) mTOR inhibitors with excellent selectivity (up to >1000-fold) over PI3K and good potency in a cellular proliferation assay (IC(50) <50nM).

PMID:
19897362
DOI:
10.1016/j.bmcl.2009.10.075
[Indexed for MEDLINE]

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