The discovery of novel modulators of the cannabinoid system is a current topic in medicinal chemistry. In this paper, we report nine novel carboxamides designed as hybrids of Fubinaca family compounds and Rimonabant. These hybrids were obtained by linking the 1-benzyl-2,5-dichloroindazole-3-carboxylic acid to different amino acids bearing a hydrophobic side chain and three different C-terminus. The new chemical entities were tested in vitro to evaluate their bioactivity by means of receptor binding assays and [35S]GTPγS stimulation assays to reveal their affinity and potency. We found that all compounds were able to bind to the cannabinoid receptors in the low nanomolar range with a marked selectivity towards the CB1 cannabinoid receptor. Some of them are full agonists, whereas the others act as partial agonists. These molecules could be potentially used as anti-obesity agents, antiemetic and analgesics. © 2018, Springer-Verlag GmbH Austria, part of Springer Nature.

Novel Fubinaca/Rimonabant hybrids as endocannabinoid system modulators

Stefanucci, Azzurra;Macedonio, Giorgia;Mollica, Adriano
2018-01-01

Abstract

The discovery of novel modulators of the cannabinoid system is a current topic in medicinal chemistry. In this paper, we report nine novel carboxamides designed as hybrids of Fubinaca family compounds and Rimonabant. These hybrids were obtained by linking the 1-benzyl-2,5-dichloroindazole-3-carboxylic acid to different amino acids bearing a hydrophobic side chain and three different C-terminus. The new chemical entities were tested in vitro to evaluate their bioactivity by means of receptor binding assays and [35S]GTPγS stimulation assays to reveal their affinity and potency. We found that all compounds were able to bind to the cannabinoid receptors in the low nanomolar range with a marked selectivity towards the CB1 cannabinoid receptor. Some of them are full agonists, whereas the others act as partial agonists. These molecules could be potentially used as anti-obesity agents, antiemetic and analgesics. © 2018, Springer-Verlag GmbH Austria, part of Springer Nature.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11564/702205
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