Synthesis and crystal structure of a nickel(II) 2′-deoxy-6-thioguanosine nitrate complex

The reaction of Ni(NO<sub>3</sub>)<sub>2</sub>·6H<sub>2</sub>O with the thio-modified nucleoside 2'-deoxy-6-thioguanosine (d-tG, C<sub>10</sub>H<sub>13</sub>N<sub>5</sub>O<sub>3</sub>S) in methanol in a 1:1.3 stoichiometric ratiodeposited the title compound, [Ni(d-tG)<sub>3</sub>](NO<sub>3</sub>)<sub>2</sub>·2H<sub>2</sub>O, as green crystals.Despite the &lt;1:3 Ni–ligand ratio used in the synthesis, the deoxy-thioguanosinebinds to form three N7,S6-coordinated five-membered chelate rings with individualNi<sup>II</sup> ions in mononuclear complexes rather than bridge metal centres intomore extended oligomeric or polymeric structures.

Publication Details

Journal
Newcastle University ePrints (Newcastle Univesity)
Published
2025-03-10
DOI
https://doi.org/10.57711/zv8f-an75
Primary Topic
Metal complexes synthesis and properties
Type
article
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article

Synthesis and crystal structure of a nickel(II) 2′-deoxy-6-thioguanosine nitrate complex

Newcastle University ePrints (Newcastle Univesity)
Metal complexes synthesis and properties
article

Synthesis and crystal structure of a nickel(II) 2′-deoxy-6-thioguanosine nitrate complex

article en

Abstract

The reaction of Ni(NO<sub>3</sub>)<sub>2</sub>·6H<sub>2</sub>O with the thio-modified nucleoside 2'-deoxy-6-thioguanosine (d-tG, C<sub>10</sub>H<sub>13</sub>N<sub>5</sub>O<sub>3</sub>S) in methanol in a 1:1.3 stoichiometric ratiodeposited the title compound, [Ni(d-tG)<sub>3</sub>](NO<sub>3</sub>)<sub>2</sub>·2H<sub>2</sub>O, as green crystals.Despite the &lt;1:3 Ni–ligand ratio used in the synthesis, the deoxy-thioguanosinebinds to form three N7,S6-coordinated five-membered chelate rings with individualNi<sup>II</sup> ions in mononuclear complexes rather than bridge metal centres intomore extended oligomeric or polymeric structures.

Newcastle University ePrints (Newcastle Univesity)
Openalex Percentile: Top 39%
Metal complexes synthesis and properties
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Synthesis and crystal structure of a nickel(II) 2′-deoxy-6-thioguanosine nitrate complex · Newcastle University ePrints (Newcastle Univesity) (2025) | TGRS Research Map | TGRS