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Issue 25, 2017
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The isomeric structure of pentacoordinate chiral spirophosphoranes in solution by the combined use of NMR experiments and GIAO DFT calculations of NMR parameters

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Abstract

The interplay of NMR experiments and DFT calculations of NMR parameters is a reliable method for determining the relative configurations of pentacoordinate chiral spirophosphoranes bearing two six- or five-membered rings at the phosphorus atom in solution. The major product of the Betti based derivatives corresponds to the isomers with both substituents at chiral carbons being opposite to the P–H proton. The next populated product corresponds to the isomer with different chiralities at carbons. The least populated isomer is one with both substituents being at the same side of the heterocycle as the P–H bond.

Graphical abstract: The isomeric structure of pentacoordinate chiral spirophosphoranes in solution by the combined use of NMR experiments and GIAO DFT calculations of NMR parameters

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Publication details

The article was received on 02 May 2017, accepted on 30 May 2017 and first published on 13 Jun 2017


Article type: Paper
DOI: 10.1039/C7DT01605K
Citation: Dalton Trans., 2017,46, 8146-8156
  • Open access: Creative Commons BY-NC license
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    The isomeric structure of pentacoordinate chiral spirophosphoranes in solution by the combined use of NMR experiments and GIAO DFT calculations of NMR parameters

    F. M. Polyancev, K. E. Metlushka, D. N. Sadkova, Z. R. Khisametdinova, O. N. Kataeva, V. A. Alfonsov, S. K. Latypov and O. G. Sinyashin, Dalton Trans., 2017, 46, 8146
    DOI: 10.1039/C7DT01605K

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      [Original citation] - Published by The Royal Society of Chemistry.

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