13C and 15N NMR spectra of 2,3-substituted 2H-azirines View Full Text


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Article Info

DATE

1986-09

AUTHORS

é. é. Liepin'sh, R. S. él'kinson, I. P. Piskunova, A. V. Eremeev

ABSTRACT

The 13C and 15N NMR spectra of a series of 2,3-substituted 2H-azirines have been studied. The 15N chemical shift for the nitrogen in the azirine ring is found at much higher field than in acyclic imines with a considerable electronic effect for the substituents on the double bond. Cooperative steric and electronic effects associated with substituents on the unsaturated carbon atom of the ring were found to influence the shielding of the 13C and 15N nuclei. Reaction constants have been calculated for 2-alkyl(aryl)-3-phenylazirines. It has been shown that the azirine ring has a powerful —I effect (when compared with the phenyl ring) that exceeds the analogous value for the cyano group. More... »

PAGES

953-955

References to SciGraph publications

  • 1970-01. Enazide, 3. Mitt.: Thermolyse von α-Azidozimtestern; Synthese von Indolderivaten in MONATSHEFTE FÜR CHEMIE - CHEMICAL MONTHLY
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    http://scigraph.springernature.com/pub.10.1007/bf00478123

    DOI

    http://dx.doi.org/10.1007/bf00478123

    DIMENSIONS

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