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Selective deoxygenation of nitrate to nitrosyl using trivalent chromium and the Mashima reagent: reductive silylation

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Abstract

1,4-Bis(trimethylsilyl)-1,4-diaza-2,5-cyclohexadiene is an effective silyl transfer reagent towards the oxygen of nitrate coordinated to Cr(III) in a pincer complex. Two nitrate oxygens are removed to give the 17 valence electron octahedral complex (H2L)Cr(NO3)2(NO). This is shown by a variety of spectroscopic methods, together with DFT, to be a Cr(I) complex with a linear CrNO unit. This work also identifies future applications of this reductive silylation process.

Graphical abstract: Selective deoxygenation of nitrate to nitrosyl using trivalent chromium and the Mashima reagent: reductive silylation

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Publication details

The article was received on 05 Jul 2018, accepted on 15 Oct 2018 and first published on 16 Oct 2018


Article type: Edge Article
DOI: 10.1039/C8SC02979B
Citation: Chem. Sci., 2019, Advance Article
  • Open access: Creative Commons BY license
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    Selective deoxygenation of nitrate to nitrosyl using trivalent chromium and the Mashima reagent: reductive silylation

    J. Seo, A. C. Cabelof, C. Chen and K. G. Caulton, Chem. Sci., 2019, Advance Article , DOI: 10.1039/C8SC02979B

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