Synthesis and characterization of cis-[(PPh3)2Pt{9-MeAd(-H),N6N7}]X (X− = NO3, PF6): The first example of a platinum(II) complex containing the N6,N7-chelated 9-methyladenine anion


Montagner, Diego and Longato, Bruno (2008) Synthesis and characterization of cis-[(PPh3)2Pt{9-MeAd(-H),N6N7}]X (X− = NO3, PF6): The first example of a platinum(II) complex containing the N6,N7-chelated 9-methyladenine anion. Inorganica Chimica Acta, 361 (6). pp. 1676-1680. ISSN 0020-1693

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Abstract

Reaction between the binuclear hydroxo complex cis-[(PPh3)2Pt(μ-OH)]2X2 (X− = NO3, 1a; View the MathML sourcePF6-, 1b) and the model DNA base 9-methyladenine (9-MeAd) leads to the formation of the mononuclear species cis-[(PPh3)2Pt{9-MeAd(-H),N6N7}]X (X− = NO3, 2a; PF6, 2b), in which the nucleobase chelates the Pt(II) ion with the N6 and N7 atoms. The coordination mode of the nucleobase has been determinated through a multinuclear (1H, 31P, 13C, 15N and 195Pt) NMR analysis and the nuclearity of the complex has been obtained by E.S.I. mass spectrometry. 2 represents the first example of an isolated platinum complex in which the NH2-deprotonated adenine exhibits this binding mode.

Item Type: Article
Keywords: Platinum(II) complexes; 9-Methyladenine; Multinuclear NMR; Phosphine;
Academic Unit: Faculty of Science and Engineering > Chemistry
Item ID: 7037
Identification Number: 10.1016/j.ica.2007.02.025
Depositing User: Diego Montagner
Date Deposited: 21 Mar 2016 17:23
Journal or Publication Title: Inorganica Chimica Acta
Publisher: Elsevier
Refereed: Yes
URI:

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