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Eur J Med Chem. 2012 Jun;52:284-94. doi: 10.1016/j.ejmech.2012.03.031. Epub 2012 Mar 24.

Rational design, synthesis and anti-proliferative properties of new CB2 selective cannabinoid receptor ligands: an investigation of the 1,8-naphthyridin-2(1H)-one scaffold.

Author information

1
Dipartimento di Scienze Farmaceutiche, Università di Pisa, via Bonanno 6, 56126 Pisa, Italy. manera@farm.unipi.it

Abstract

CB2 receptor ligands are becoming increasingly attractive drugs due to the potential role of this receptor in several physiopathological processes. Using our previously described series of 1,8-naphthyridin-2(1H)-on-3-carboxamides as a lead class, several nitrogen heterocyclic derivatives, characterized by different central cores, were synthesized and tested for their affinity toward the human CB1 and CB2 cannabinoid receptors. The obtained results suggest that the new series of quinolin-2(1H)-on-3-carboxamides, 4-hydroxy-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxamides and 1,2-dihydro-2-oxopyridine-3-carboxamides represent novel scaffolds very suitable for the development of promising CB2 ligands. Furthermore, the newly synthesized CB2 ligands inhibit proliferation of several cancer cell lines. In particular, it was demonstrated that in DU-145 cell line these ligands exert a CB2-mediated anti-proliferative action and decrease the CB2 receptor expression levels.

PMID:
22483967
DOI:
10.1016/j.ejmech.2012.03.031
[Indexed for MEDLINE]

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