Treffer 1 - 13 von 13 für Suche 'Contreras, Rubén H', Suchdauer: 5,16s Treffer weiter einschränken
  1. 1
    The electronic origin of unusually large (n)J(FN) coupling constants in some fluoroximes
    Weitere Verfasser: “...Contreras, Rubén H...”

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  2. 2
    1hJFH coupling in 2-fluorophenol revisited is intramolecular hydrogen bond responsible for this long-range coupling?
    Weitere Verfasser: “...Contreras, Rubén H...”

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  3. 3
    19F chemical shifts, coupling constants and conformational preferences in monosubstituted perfluoroparacyclophanes
    von Ghiviriga, Ion
    Veröffentlicht in: Magnetic resonance in chemistry : MRC (2011)
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  4. 4
    Difference between ²JC2H3 and ²JC3H2 spin-spin couplings in heterocyclic five- and six-membered rings as a probe for studying σ-ring currents a quantum chemical analysis

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  5. 5
    Stereochemical dependence of NMR geminal spin-spin coupling constants

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  6. 6
    On the unusual 2J(C2-H(f)) coupling dependence on syn/anti CHO conformation in 5-X-furan-2-carboxaldehydes
    von Pérez, Carlos
    Veröffentlicht in: Magnetic resonance in chemistry : MRC (2008)
    Weitere Verfasser: “...Contreras, Rubén H...”

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  7. 7
    The effect of carbonyl group in the asymmetry of 3,4JCH coupling constants in norbornanones
    Weitere Verfasser: “...Contreras, Rubén H...”
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  8. 8
    NMR spin-spin couplings involving nuclei in the neighborhood of a carbonyl group. 3JCH couplings in alpha-substituted acetamides
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  9. 9
    Stereochemical study of iminodihydrofurans based on experimental measurements and SOPPA calculations of (13)C-(13)C spin-spin coupling constants
    Weitere Verfasser: “...Contreras, Rubén H...”
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  10. 10
    Experimental and DFT studies on the transmission mechanisms of analogous NMR JCH and JCC couplings in 1-X- and 1-X-3-methylbicyclo[1.1.1]-pentanes
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  11. 11
    Experimental and theoretical investigation of NMR 2JHH coupling constant on six-membered ring systems containing oxygen or sulfur atoms
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  12. 12
    Influence of sigma-hyperconjugative interactions on 13C substituent chemical shifts experimental and theoretical study in 1-X,3-CH3-bicyclo[1.1.1]pentanes
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  13. 13
    Substituent effects on scalar J(13C, 13C) couplings in pyrimidines. An experimental and DFT study
    Weitere Verfasser: “...Contreras, Rubén H...”
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