Branched Polyamines Functionalized with Proposed Reaction Pathways Based on 1H-NMR, Atomic Absorption and IR Spectroscopies


Three novel branched polyamines N,N,N’,N’-tetrakis-[3((pyridine-2-methyl)-amine) propyl]-1,4- butanediamine (1), N,N,N’,N’-tetrakis-[N-((2-methylpyridine)ethyl)propanamide]ethylenediamine (2) and N,N,N’,N’-tetrakis-[3((2-hidroxibenziliden)-amine)propyl]-1,4-butanediamine (3), were synthesized starting from 2-pyridinecarboxaldeyde with DAB-Am-4 for 1, PAMAM G0 for 2 and from salicylaldehyde with DAB-Am-4 for 3. The pathway reactions have been proposed by 1H-NMR, IR and Atomic Absorption Spectroscopy. The optimal reaction time was set by IR spectroscopy following aldehyde  peak modification. 1 and 2 were obtained as both hydrochlorides and as free amines and 3 only as free imine. These polyamines were characterized by UV-Vis, IR, 1H-NMR and 13C-NMR and Mass Spectrometry.

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Cervantes-Mejía, V. , Baca-Solis, E. , Caballero-Jiménez, J. , Merino-García, R. , Cruz-Gatica, J. , Moreno-Martínez, G. and Reyes-Ortega, Y. (2014) Branched Polyamines Functionalized with Proposed Reaction Pathways Based on 1H-NMR, Atomic Absorption and IR Spectroscopies. American Journal of Analytical Chemistry, 5, 1090-1101. doi: 10.4236/ajac.2014.516116.

Conflicts of Interest

The authors declare no conflicts of interest.


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