Synthesis of 3,6-diazabicyclo[3.1.1]heptanes as novel ligands for the opioid receptors

Loriga, Giovanni and Manca, Ilaria and Murineddu, Gabriele and Chelucci, Giorgio Adolfo and Villa, Stefania and Gessi, Stefania and Toma, Lucio and Cignarella, Giorgio and Pinna, Gérard Aimé (2006) Synthesis of 3,6-diazabicyclo[3.1.1]heptanes as novel ligands for the opioid receptors. Bioorganic & Medicinal Chemistry, Vol. 14 (3), p. 676-691. ISSN 0968-0896. Article.

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DOI: 10.1016/j.bmc.2005.09.045

Abstract

In an effort to improve diazabicycloalkane-based opioid receptor ligands, N-3(6)-arylpropenyl-N-6(3)-propionyl-3,6-diazabicyclo[3.1.1]heptanes (3A,Ba–i) were synthesized and their affinity and selectivity towards μ-, δ- and κ-receptors were evaluated. The results of the current study revealed a number of compounds (3Bb, 3Bg and 3Bh) having a high affinity for μ (K_i at μ-receptors ranging from 2.7 to 7.9 nM) versus δ (K_i at δ-receptors >2000 nM) and versus κ (K_i at κ-receptors >5000 nM) receptors. Molecular modelling carried out on the pair 3Aa/3Ba and on the 3Bh was consistent with the hypothesis that the two series of compounds 3A and 3B interact with the μ-receptor in very different ways.

Item Type:	Article
ID Code:	440
Status:	Published
Refereed:	Yes
Uncontrolled Keywords:	Synthesis of 3,6-diazabicyclo[3.1.1]heptanes, opioid receptors affinities and selectivities, molecular modelling
Subjects:	Area 03 - Scienze chimiche > CHIM/06 Chimica organica Area 03 - Scienze chimiche > CHIM/08 Chimica farmaceutica
Divisions:	001 Università di Sassari > 01 Dipartimenti > Chimica 001 Università di Sassari > 01 Dipartimenti > Farmaco, chimico, tossicologico
Publisher:	Pergamon-Elsevier Science
ISSN:	0968-0896
Copyright Holders:	© 2005 Elsevier Science
Deposited On:	18 Aug 2009 10:02

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