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Issue 36, 2013
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From cyanate to cyanurate: cyclotrimerization reactions towards the novel family of metal cyanurates

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Abstract

The novel metal cyanurates LiSr(O3C3N3) and Li3Sr2F(O3C3N3)2 were prepared by exothermic solid state metathesis reactions and characterized by single crystal X-ray diffraction. Crystalline powders were prepared by reactions of alkali earth halides (SrCl2 and SrF2) with Li(OCN) in 1 : 3 molar ratios, at 450 and 575 °C. The reaction with chloride yielded LiSr(O3C3N3), and the reaction starting from the fluoride yielded LiSr(O3C3N3)·1/2LiF, containing additional LiF in the structure. Both crystal structures revealed the presence of the (O3C3N3)3− ions which were formed by cyclotrimerization reaction of (OCN) ions. The reactions were monitored by differential thermal analysis. Infrared spectra of the compounds are reported.

Graphical abstract: From cyanate to cyanurate: cyclotrimerization reactions towards the novel family of metal cyanurates

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Publication details

The article was received on 16 Apr 2013, accepted on 17 May 2013 and first published on 10 Jun 2013


Article type: Paper
DOI: 10.1039/C3DT51002F
Dalton Trans., 2013,42, 12934-12939

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    From cyanate to cyanurate: cyclotrimerization reactions towards the novel family of metal cyanurates

    M. Kalmutzki, M. Ströbele and H.-Jürgen Meyer, Dalton Trans., 2013, 42, 12934
    DOI: 10.1039/C3DT51002F

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