Quantitative structure-activity relationships for a series of symmetrical bisquaternary anticancer compounds

被引:37
作者
Campos, JM
Núñez, MC
Sánchez, RM
Gómez-Vidal, JA
Rodríguez-González, A
Báñez, M
Gallo, MA
Lacal, JC
Espinosa, A
机构
[1] Fac Farm, Dept Quim Organ & Farmaceut, Granada 18071, Spain
[2] CSIC, Inst Invest Biomed, E-28029 Madrid, Spain
关键词
D O I
10.1016/S0968-0896(02)00054-8
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
56 biscationic dibromides with distinct polar heads [bis(4-substituted)pyridinium. bis(4-aminoquinolinium). bisquinolinium, and bisisoquinolinium moieties] and several spacers between the two charged nitrogen atoms were synthesised. This oriented synthesis produced 45 inhibitors of choline kinase with antitumour activity against the HT-29 cell line. In an attempt to understand the antiproliferative activity, a quantitative structure-activity relationship was developed. The unknown sigma(R) and sigma(R)(+) descriptors for the diallylamino. pyrrolidino, piperidino and perhydroazepino groups and sigma(R) For the N-methylanilino moiety. were estimated by C-13 NMR spectroscope in a simple. Cast and reproducible manner. The electron characteristic of the substituent at position 4 of the heterocycle and the theoretical lipophilic character of the whole molecule were found to significantly affect the antitumour activity. 1,1'-[Ethylenebis(benzene-1.4-diylmethylene)]bis[4-(N-methylanilino)pyridinium] dibromide is the most active compound of the series so far described and shows a reasonable agreement between predicted and observed antiproliferative data (predicted pIC(50) = 6.50, experimental pIC(50) = 6.46). (C) 2002 Elsevier Science Ltd. All rights reserved.
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页码:2215 / 2231
页数:17
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