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Issue 2, 1994
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Protonation sequence of linear aliphatic polyamines by 13C NMR spectroscopy

Abstract

The13C NMR spectra are reported as a function of pH for 4,7-diazadecane-1,10-diamine, 4,8-diazaundecane-1,11-diamine and 3,6,9-triazaundecane-1,11 -diamine. The previously reported amine shift parameters π and π+ are used to determine the protonation sites in the partially protonated intermediate forms of these and a further five polyamines whose 13C–pH profiles have been published. The use of this simple method for determining protonation sequences is examined critically.

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Article type: Paper
DOI: 10.1039/P29940000265
Citation: J. Chem. Soc., Perkin Trans. 2, 1994,0, 265-270
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    Protonation sequence of linear aliphatic polyamines by 13C NMR spectroscopy

    D. N. Hague and A. D. Moreton, J. Chem. Soc., Perkin Trans. 2, 1994, 0, 265
    DOI: 10.1039/P29940000265

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