13C n.m.r. investigation on the nitrogen methylation of some azabenzenes

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Weijer, Peter van de and Mohan, Chandra (1977) 13C n.m.r. investigation on the nitrogen methylation of some azabenzenes. Organic Magnetic Resonance, 9 (1). pp. 53-55. ISSN 0030-4921

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Abstract:The 1H and 13C n.m.r. spectra of N-methylated pyridine, pyridazine, pyrimidine and pyrazine and N,N-dimethylated pyrimidine and pyrazine have been recorded and analysed. The change in the 13C chemical shifts under the influence of N-methylation (Δδ) in the diazabenzenes could be predicted by the Δδ values of pyridine. A comparison of the Δδ values of N-methylation with those of N-protonation showed that both reactions have a similar effect.
Item Type:Article
Copyright:© 1977 Wiley InterScience
Link to this item:http://purl.utwente.nl/publications/70730
Official URL:http://dx.doi.org/10.1002/mrc.1270090111
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