J Med Chem. 2010 Feb 11;53(3):1319-28.

Synthesis of dihydrofuroaporphine derivatives: identification of a potent and selective serotonin 5-HT 1A receptor agonist.

Liu Z, Zhang H, Ye N, Zhang J, Wu Q, Sun P, Li L, Zhen X, Zhang A.

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Synthetic Organic & Medicinal Chemistry Laboratory (SOMCL), Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China.

Abstract

A series of new aporphine analogues were synthesized and pharmacologically evaluated. 11-Allyloxy-(17), 11-propargyloxy-(20), and dihydrofuro-(19) aporphines displayed the highest affinity at the 5-HT(1A) receptor with K(i) values of 12.0, 14.0, and 6.7 nM, respectively. The high binding potential of the diastereomeric mixture of aporphine 19 was found residing in the cis-diastereomer (cis-19). [(35)S]GTP gamma S function assays on 5-HT(1A) receptor indicated that aporphines 17 and 20 were partial agonists, while trans-19 behaved as a high efficacy full antagonist and cis-19 was a full agonist. The agonistic property of cis-19 at the 5-HT(1A) receptor was further confirmed in vitro and in vivo. This compound may be useful as a potential treatment for anxiety.

PMID:: 20041669; [PubMed - indexed for MEDLINE]

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