Abstract
The unshared electron pair of the dicoordinated nitrogen atom introduces a stereospecific contribution to the 13C-13C spin-spin coupling constant (SSCC) in the vinyl group of a series of N-vinylazoles, the value of which depends on the energetics of the unshared pair.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 197–200, February, 1989.
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Afonin, A.V., Krivdin, L.B., Danovich, D.K. et al. Direct 13C-13C spin-spin coupling constants in the vinyl group of N-vinylazoles. Chem Heterocycl Compd 25, 157–160 (1989). https://doi.org/10.1007/BF00479909
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DOI: https://doi.org/10.1007/BF00479909