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2 Biotechnology and Food Science

2 2018

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The DFT study on the electronic structure of boronic acid derivatives and its esters with fructose

100%

Kur K. , Kowalska-Baron A. , Miller E.

tom Vol. 82, nr 1

29--39

Theoretical investigations are carried out to examine the geometrical structure and parameters of electron transitions to the lowest excited states of two boronic acid derivatives: 3-aminophenylboronic acid and 3-(acetamidomethyl)phenyl boronic acid and its cycling esters with fructose, using the DFT based 6-31 G(d,p) method. The most stable ester isomer of each acid has been selected. Predicted excitation wavelength are shorter (less than 0.5 eV) than experimental ones, what is in a good agreement considering limitations of the DFT method. In case of almost every calculated molecule the analysis of electronic transitions shows that transition S0→S1 involves electron transfer mainly from the HOMO to LUMO orbital.

Optical properties of (3-(acetamidomethyl)phenyl)boronic acid and its interactions with selected sugars

100%

Kur K. , Przybyt M. , Miller E.

Biotechnology and Food Science

2018

tom 82

nr 1