Nuclear Magnetic Resonance Titration Studies of Simple Host-Guest Amine-Carboxylic Acid Systems

Authors

  • Myrna S. Mahinay Department of Molecular Sciences, James Cook University, Townsville, Queensland
  • Leonard F. Lindoy Department of Chemistry, University of Sydney, New South Wales

DOI:

https://doi.org/10.26534/kimika.v15i1.1-7

Keywords:

host-guest systems, NMR titration, amine-carboxylic acid adducts

Abstract

Adduct formation for the open-chain 1,2-diaminoethane and its N-methyl derivatives [N,N-dimethyl-ethylenediamine (N,N-DMEN), N,N'-dimethylethylenediamine (N,N'-DMEN); N,N,N',N'-tetramethyl-ethylenediamine (N,N,N',N'TMEN)]; 1,4-diaminobutane; diethylenetriamine (DIEN); triethylenetetramine (TRIEN); and the carboxylic acid systems in polar CD3OH and nonpolar CDCl3 solvents were elucidated by nmr titration. The stoichiometries of the adducts were found to correspond to the number of nitrogen present in the amine species with the exception of ligand incorporating N-donors of low basicity; that is, whose log K values for the protonated species in water were less than approximately 6 to 7.

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How to Cite

Mahinay, M. S., & Lindoy, L. F. (1999). Nuclear Magnetic Resonance Titration Studies of Simple Host-Guest Amine-Carboxylic Acid Systems. KIMIKA, 15(1), 1–7. https://doi.org/10.26534/kimika.v15i1.1-7

Issue

Vol. 15 No. 1 (1999)

Section

Research Articles

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