Synthesis and characterization of selective dopamine D₂ receptor ligands using aripiprazole as the lead compound.

Synthesis and characterization of selective dopamine D₂ receptor ligands using aripiprazole as the lead compound.
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DOI:
10.1016/j.bmc.2011.04.021
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发表时间:
2011-06-01
影响因子:
3.5
通讯作者:
Mach RH
Mach RH
中科院分区:
医学3区
文献类型:
--
作者:
Vangveravong S;Zhang Z;Taylor M;Bearden M;Xu J;Cui J;Wang W;Luedtke RR;Mach RH

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A series of compounds structurally related to aripiprazole (1), an atypical antipsychotic and antidepressant used clinically for the treatment of schizophrenia, bipolar disorder, and depression, have been prepared and evaluated for affinity at D2-like dopamine receptors. These compounds also share structural elements with the classical D2-like dopamine receptor antagonists, haloperidol, N-methylspiperone, domperidone and benperidol. Two new compounds, 7-(4-(4-(2-methoxyphenyl)piperazin-1-yl)butoxy)-3,4-dihydroquinolin-2(1H)-one oxalate (6) and 7-(4-(4-(2-(2-fluoroethoxy)phenyl)piperazin-1-yl)butoxy)-3,4-dihydroquinolin-2(1H)-one oxalate (7) were found to (a) bind to the D2 receptor subtype with high affinity (Ki values <0.3 nM), (b) exhibit >50-fold D2 versus D3 receptor binding selectivity and (c) be partial agonists at both the D2 and D3 receptor subtype.
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