Discovery of dopamine D4 receptor antagonists with planar chirality

被引:7
|
作者
Sanna, Fabrizio [1 ]
Ortner, Birgit [1 ]
Huebner, Harald [1 ]
Loeber, Stefan [1 ]
Tschammer, Nuska [1 ]
Gmeiner, Peter [1 ]
机构
[1] Univ Erlangen Nurnberg, Dept Med Chem, Emil Fischer Ctr, D-91052 Erlangen, Germany
关键词
GPCR; Dopamine; Subtype selectivity; Ligand efficacy; Paracyclophane; Planar chirality; PENILE ERECTION; PARTIAL AGONISTS; HIGH-AFFINITY; CYCLIC-AMP; CELL-LINE; BINDING; LIGANDS; DERIVATIVES; SUBTYPE; BIOISOSTERES;
D O I
10.1016/j.bmc.2013.01.065
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Employing the D-4 selective phenylpiperazine 2 as a lead compound, planar chiral analogs with paracyclophane substructure were synthesized and evaluated for their ability to bind and activate dopamine receptors. The study revealed that the introduction of a [2.2]paracyclophane moiety is tolerated by dopamine receptors of the D-2 family. Subtype selectivity for D-4 and ligand efficacy depend on the absolute configuration of the test compounds. Whereas the achiral single-layered lead 2 and the double-layered paracyclophane (R)-3 showed partial agonist properties, the enantiomer (S)-3 behaved as a neutral antagonist. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1680 / 1684
页数:5
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