Study of amino acid coordination to chromium(III) by deuterium NMR spectroscopy
Thesis/Dissertation
·
OSTI ID:6550256
Interest in monodentate amino acid coordination to chromium(III) results in the synthesis and characterization of the Cr(III)-nicotinic acid complexes and the /sup +/-carboxylato-..mu..-hydroxo Cr(III) complexes. A relatively stable Cr(III) complex containing carboxyl-bound nicotinic acid, trans-(Cr(1,3-pn)/sub 2/(nic-O)/sub 2/) Cl (where 1,3-pn = 1,3-propanediamine, and nic-O = nicotinate with a deuterium label on the 2-carbon), was synthesized and then characterized by deuterium NMR spectroscopy. An additional complex containing nicotinic acid, (Cr(en)/sub 2/(OH)(Hnic-O,O)Cr(en)/sub 2/)(ZnCl/sub 4/)/sub 2/Cl (where en = ethylenediamine, and Hnic-O,O = nicotinate with the carboxyl group bridging between the Cr(III) centers and the pyridyl nitrogen protonated), was also synthesized and characterized by /sup 2/H NMR. A series of bis(en)Cr(III)-amino acid complexes were characterized by /sup 2/H NMR spectroscopy. Bis(1,3-pn)Cr(III) and (3,2,3-tet)Cr(III) complexes (where 3,2,3-tet = 1,5,8,12-tetraazadodecane) containing alanine and glycine were also prepared. An additional complex, ..cap alpha..-cis-(Cr(edda)(gly)), was synthesized and its crystal structure determined.
- Research Organization:
- Washington State Univ., Pullman (USA)
- OSTI ID:
- 6550256
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550201* -- Biochemistry-- Tracer Techniques
59 BASIC BIOLOGICAL SCIENCES
AMINO ACIDS
AZINES
CARBOXYLIC ACIDS
CHEMICAL COMPOSITION
CHROMIUM
COMPLEXES
DEUTERIUM
ELEMENTS
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
HYDROGEN ISOTOPES
ISOTOPE APPLICATIONS
ISOTOPES
LABELLED COMPOUNDS
LABELLING
LIGHT NUCLEI
MAGNETIC RESONANCE
METALS
MOLECULAR STRUCTURE
NICOTINIC ACID
NMR SPECTRA
NUCLEAR MAGNETIC RESONANCE
NUCLEI
ODD-ODD NUCLEI
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PYRIDINES
RESONANCE
SPECTRA
STABLE ISOTOPES
SYNTHESIS
TRACER TECHNIQUES
TRANSITION ELEMENTS
VITAMIN B GROUP
VITAMINS
59 BASIC BIOLOGICAL SCIENCES
AMINO ACIDS
AZINES
CARBOXYLIC ACIDS
CHEMICAL COMPOSITION
CHROMIUM
COMPLEXES
DEUTERIUM
ELEMENTS
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
HYDROGEN ISOTOPES
ISOTOPE APPLICATIONS
ISOTOPES
LABELLED COMPOUNDS
LABELLING
LIGHT NUCLEI
MAGNETIC RESONANCE
METALS
MOLECULAR STRUCTURE
NICOTINIC ACID
NMR SPECTRA
NUCLEAR MAGNETIC RESONANCE
NUCLEI
ODD-ODD NUCLEI
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PYRIDINES
RESONANCE
SPECTRA
STABLE ISOTOPES
SYNTHESIS
TRACER TECHNIQUES
TRANSITION ELEMENTS
VITAMIN B GROUP
VITAMINS