Structure and thermal analysis of amino acids
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Date
2014
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Acta Cryst. (2014), A70, C989
Abstract
The twenty amino acids are chemical compounds having two functional groups (carboxyl:-COOH, amine:-NH2) and an asymmetric
carbon (except glycine). They are amphoteric and can exist as zwitterion. Because of the reactivity of amino acids (esterification,
amidation, N-alkylisation, N-arylation, protonation), and their conformation (aliphatic, aromatic) chemical, properties (acid, base, and
/ or hydroxylated, solubility), and physical properties (absorbance, NLO), our laboratory contribute to the study (synthesis and X ray
single crystal structures) of new organic-inorganic hybrid compounds which allows to the development of materials with novel
properties [1-3]. Our work is also based on the relationship between the thermal decomposition of amino acids and their chemical
structures, dozens compounds were selected and the results of the DTA, TG and DTG thermal decomposition was performed by
several methods. Diffraction results are used for the identification of degradation mechanisms of the chemical structure, the stability
of the compound studied and the anticipation of possible syntheses of hybrid compounds.
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