Spectroscopic study of 2-, 4- and 5-substituents on pKa values of imidazole heterocycles prone to intramolecular proton-electrons transfer

Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy

Volumn 75, Issue 2, 2010, Pages 693-701

  Eseola, Abiodun O ^a,b   Obi Egbedi, Nelson O ^c  

^a REDEEMER S UNIVERSITY   (Nigeria)

^b INSTITUTE OF CHEMISTRY   (China)

^c UNIVERSITY OF IBADAN   (Nigeria)

Author keywords

Ionization constants; pKas; Protonation deprotonation; Substituent effects; UV spectroscopy

Indexed keywords

IONIZATION CONSTANT; IONIZATION CONSTANTS; PKAS; SUBSTITUENT EFFECT; UV SPECTROSCOPY;

BEARINGS (STRUCTURAL); DEPROTONATION; ELECTRONS; HYDROGEN BONDS; IONIZATION; PARTICLE DETECTORS; PHENOLS; PROTONATION; PROTONS; SPECTROSCOPIC ANALYSIS; SULFUR COMPOUNDS; ULTRAVIOLET SPECTROSCOPY;

ABSORPTION SPECTROSCOPY;

2 (ANTHRACEN 10 YL) 4,5 DIPHENYL 1H IMIDAZOLE; 2-(ANTHRACEN-10-YL)-4,5-DIPHENYL-1H-IMIDAZOLE; 4,5 DIPHENYL 2 (4,5 DIPHENYL 1H IMIDAZOL 2 YL) 1H IMIDAZOLE; 4,5-DIPHENYL-2-(4,5-DIPHENYL-1H-IMIDAZOL-2-YL)-1H-IMIDAZOLE; ANTHRACENE DERIVATIVE; BIPHENYL DERIVATIVE; IMIDAZOLE DERIVATIVE; PHENOL DERIVATIVE; PROTON;

ARTICLE; CHEMICAL STRUCTURE; CHEMISTRY; ELECTRON; HYDROGEN BOND; INFRARED SPECTROSCOPY; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; SYNTHESIS; THERMODYNAMICS;

ANTHRACENES; BIPHENYL COMPOUNDS; ELECTRONS; HYDROGEN BONDING; IMIDAZOLES; MAGNETIC RESONANCE SPECTROSCOPY; MODELS, MOLECULAR; MOLECULAR STRUCTURE; PHENOLS; PROTONS; SPECTROSCOPY, FOURIER TRANSFORM INFRARED; THERMODYNAMICS;

EID: 73749085694     PISSN: 13861425     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.saa.2009.11.041     Document Type: Article

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