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

Vicente Cervantes-Mejía, Elizabeth Baca-Solis, Judith Caballero-Jiménez, Rosario Merino-García, Jesús Cruz-Gatica, Gabriela Moreno-Martínez, Yasmi Reyes-Ortega

Chemical Center, Sciences Institute, Autonomous University of Puebla, Puebla, México.

DOI: 10.4236/ajac.2014.516116                

Abstract

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.

Keywords

Branched Polyamines, Functionalization Reactions, IR, NMR, Atomic Absorption Spectroscopy

Conflicts of Interest

The authors declare no conflicts of interest.

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