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RELATIONSHIP BETWEEN CATHODIC PEAK POTENTIALS AND THEORETICALLY CALCULATED LUMO ENERGIES OF SOME 2-PHENYL BENZOXAZOLE DERIVATIVES
Date
1994-03-01
Author
GULLU, M
YALCIN, I
SENER, E
TURKER, L
CELEBI, N
Akbulut, Ural
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Cathodic peak potentials (E(p,c)) of twentyseven microbiologically active 2-phenyl-benzoxazole derivatives containing both electron withdrawing and electron donating groups on benzoxazole kernel and on phenyl moiety were measured by cyclic voltammetry in acetonitrile. The E(p,c) values were in the range of -2.8 V to -3.10 V except for those compounds which contained -NO2 substituent at position-5. Those benzoxazole derivatives possessing a NO2 group all had substantially lower reduction peak potentials, ranging from -1.60 to -1.80 V versus Ag-degrees/Ag+. The lowest unoccupied molecular orbital (LUMO) energies of these molecules were calculated by adopting the Huckel molecular orbital (HMO) approach. A linear relationship was found to be existing between the measured E(p,c) values and the calculated LUMO energies.
Subject Keywords
General Chemistry
URI
https://hdl.handle.net/11511/43286
Journal
BULLETIN DES SOCIETES CHIMIQUES BELGES
DOI
https://doi.org/10.1002/bscb.19941030302
Collections
Department of Chemistry, Article
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BibTeX
M. GULLU, I. YALCIN, E. SENER, L. TURKER, N. CELEBI, and U. Akbulut, “RELATIONSHIP BETWEEN CATHODIC PEAK POTENTIALS AND THEORETICALLY CALCULATED LUMO ENERGIES OF SOME 2-PHENYL BENZOXAZOLE DERIVATIVES,”
BULLETIN DES SOCIETES CHIMIQUES BELGES
, vol. 103, no. 3, pp. 87–90, 1994, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/43286.