15 N Chemical shifts of both singly labelled and the doubly labelled isotopic modifications of ethyl diazoacetate accord with qualitative expectations; the 13C–15N and 15N–15N coupling constants compare with calculated values which demonstrate the dominance of the Fermi contact term and the importance of the nitrogen lone pair.
R. L. Lichter, P. R. Srinivasan, A. B. Smith, R. K. Dieter, C. T. Denny and J. M. Schulman, J. Chem. Soc., Chem. Commun., 1977, 366 DOI: 10.1039/C39770000366
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