Structure-activity relationship of dopaminergic halogenated 1-benzyl-tetrahydroisoquinoline derivatives

被引:24
作者
El Aouad, Noureddine [1 ]
Berenguer, Inmaculada [1 ]
Romero, Vanessa [1 ]
Marin, Paloma [1 ]
Serrano, Angel [1 ]
Andujar, Sebastian [2 ,3 ]
Suvire, Fernando [2 ]
Bermejo, Almudena [1 ,4 ]
Dolores Ivorra, M. [1 ]
Enriz, Ricardo D. [2 ,3 ]
Cabedo, Nuria [1 ,5 ]
Cortes, Diego [1 ]
机构
[1] Univ Valencia, Fac Farm, Dept Farmacol, Valencia 46100, Spain
[2] Univ Nacl San Luis, Dept Quim, San Luis, Argentina
[3] Consejo Nacl Invest Cient & Tecn, IMIBIO SL, RA-5700 San Luis, Argentina
[4] IVIA, Dept Citricultura, Valencia 46113, Spain
[5] Univ Politecn Valencia, Inst Agroforestal Mediterraneo, Ctr Ecol Quim Agr, Valencia 46022, Spain
关键词
1-Halogenated benzyl-7-chloro-6-hydroxy-tetrahydroisoquinolines; Binding; Dopamine receptors; Dopamine uptake; Structure-activity relationships; N-ALKYL-BENZYLTETRAHYDROISOQUINOLINES; ISOQUINOLINE ALKALOIDS; RECEPTOR; ANTAGONISTS; MECHANISM;
D O I
10.1016/j.ejmech.2009.06.033
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Two series of halogenated 1-benzyl-7-chloro-6-hydroxy-tetrahydroisoquinolines were prepared to explore the influence of each series on the affinity for dopamine receptors. All the compounds displayed a high affinity for D-1-like and/or D-2-like dopamine receptors in striatal membranes, although they were unable to inhibit [H-3]-dopamine uptake in striatal synaptosomes. The halogen placed on the benzylic ring in 1-benzyl-THIQs, compounds of the series 1, 2'-bromobenzyl derivatives with K-i values into the nanomolar range, and the series 2, 2',4'-dichlorobenzyl-THIQ homologues, proves to be an important factor to modulate affinity at dopamine receptor. (C) 2009 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:4616 / 4621
页数:6
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