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Eur J Med Chem. 2012 Nov;57:225-33. doi: 10.1016/j.ejmech.2012.09.001. Epub 2012 Sep 10.

Synthesis and biological evaluation of new 5-benzylated 4-oxo-3,4-dihydro-5H-pyridazino[4,5-b]indoles as PI3Kα inhibitors.

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1
Université de Nantes, Nantes Atlantique Universités, Laboratoire de Chimie Thérapeutique, Cibles et Médicaments des Infections et du Cancer, IICIMED-EA 1155, UFR Sciences Pharmaceutiques, 1 rue Gaston Veil, Nantes F-44035 Cedex 1, France.

Abstract

A series of novel 5-benzylated 4-oxo-3,4-dihydro-5H-pyridazino[4,5-b]indoles was synthesized through a newly developed approach. All these compounds were evaluated against DYRK1A, CDK5 and PI3Kα and showed promising inhibitory activities against PI3Kα with most IC(50) values in the micromolar range. Among them, compound 18 was strongly considered as the most interesting compound with an IC(50) value of 0.091 μM. This series exhibited also significant anti-proliferative effects in various human cancer cell lines including those resulting in activation of the PI3K pathway.

PMID:
23063566
DOI:
10.1016/j.ejmech.2012.09.001
[Indexed for MEDLINE]

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