作者:Yu-Gui Si、Matthew P. Gardner、Frank I. Tarazi、Ross J. Baldessarini、John L. Neumeyer
DOI:10.1016/j.bmcl.2008.06.016
日期:2008.7
We synthesized several novel 2-O- or 11-O-substituted N-alkylnoraporphines and assessed their affinities at dopamine D-1 and D-2, and serotonin 5-HT1A receptors in rat forebrain tissue. Tested compounds displayed moderate to high affinities to D-2 receptors but low affinities to D-1 and 5HT(1A) receptors. The findings accord with previous evidence of a lipophilic cavity on the surface of the D-2 receptor to accommodate N-alkyl moieties of aporphines. The most D-2- potent (K-i = 97 nM) and selective novel agent (> 100-fold vs. D-1 and 5-HT1A sites) was R(-)-2-(2-hydroxyethoxy)-11-hydroxy-N-n-propylnoraporphine (compound 11). (c) 2008 Elsevier Ltd. All rights reserved.