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Wiley, Journal of Inorganic and General Chemistry, 8-9(639), p. 1674-1679, 2013

DOI: 10.1002/zaac.201300038

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A Unique Helicate Comprised of Four Cytosine Nucleobases and Four Metal Entities (PtII, PtII, AuIII, AuI). Implications for the Interactions of Linearly Coordinated Metal Ions with ­Nucleotide Duplexes

Journal article published in 2013 by Gerhard Fusch, Ennio Zangrando, Lucio Randaccio, Bernhard Lippert ORCID
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Reaction of trans-[Pt(CH3NH2)2(1-MeC-N3)2]X2 (1-MeC =1-methylcytosine; X = NO3– or ClO4–) with Na[AuCl4] in strongly alkaline aqueous solution yields an asymmetrical double helicate containing two central PtII as well as AuIII and AuI atoms, four 1-methylcytosinato bridges (1-MeC–-N3,N4), two terminal methylamine and two bridging methylamido ligands, [Au2Pt2(CH3NH2)2(CH3NH)2(1-MeC–)4]Cl2·2H2O (2). The four 1-MeC– ligands, which are pairwise oriented in head-head fashion, are deprotonated at their N4 positions and cross-linked by the gold ions.