Application of microwave-assisted heating to the synthesis of Pt(II) complexes

被引:10
作者
Gabano, Elisabetta [1 ]
Gama, Sofia [2 ,3 ]
Mendes, Filipa [2 ]
Fregonese, Federico [1 ]
Paulo, Antonio [2 ]
Ravera, Mauro [1 ]
机构
[1] Univ Piemonte Orientale, Dipartimento Sci & Innovaz Tecnol, I-15121 Alessandria, Italy
[2] Univ Lisbon, Inst Super Tecn C2TN, Ctr Ciencias & Tecnol Nucl, P-2695066 Bobadela Lrs, Portugal
[3] Univ Jena, Lehrstuhl Anorgan Chem 2, Inst Anorgan & Analyt Chem, D-07743 Jena, Germany
关键词
Platinum complexes; Antiproliferative activity; Microwave heating; PLATINUM(II); DERIVATIVES; CISPLATIN; ANALOGS; CL;
D O I
10.1016/j.ica.2015.07.042
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The microwave-assisted synthesis of Pt(II) complexes containing several pyridines (i.e., pyridine L1, 2-picoline L2, 3-picoline L3, 4-picoline L4, 2,2'-bipyridine L5) is reported. For L1-L5, the reaction was successful in about 50% yield with all the ligands except L2. The same method applied to 4,4'-bis(2-morpholinoethoxy)-2,2'-bipyridine (L6, a ligand showing interesting antiproliferative properties because of a high DNA affinity), was unsatisfactory. The corresponding complex cis-[PtCl2(L6)] was obtained only heating at reflux a mixture of [PtCl2(1,5-cyclooctadiene)] and L6 in acetonitrile for 24 h. Antiproliferative activity of [PtCl2(L6)] on four cancer cell lines (ovarian A2780 and its cisplatin-resistant variant A2780cisR, prostate PC3 and breast cancer MDA-MB-231) was compared with that of its ligand and the model complex [PtCl2(L5)]. These studies showed that [PtCl2(L6)] has just marginal activity towards the tested cells if compared with cisplatin. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:16 / 19
页数:4
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