The aromaticity of 5,6-dihydroborauracil, borauracil and benzoborauracil systems.
The nucleus-independent chemical shift (NICS) indices of aromaticity, calculated for four boron compounds, 4-hydroxy-5,6-dihydroborauracil, 4-hydroxyborauracil, borazine and 4-hydroxybenzoborauracil, and parent uracil, were analyzed in parallel with the NMR properties, in order to learn more about the aromaticity of those heterocyclic systems. The existence of a unique solvent-dependent aromaticity of 4-hydroxyborauracil is indicated.
Ruman
Tomasz
T
Rzeszów University of Technology, Department of Biochemistry and Biotechnology, Poland. tomruman@prz.edu.pl
Jarmuła
Adam
A
Rode
Wojciech
W
D001896:Boron Compounds / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D014498:Uracil / Q000737:chemistry*
D001896:Boron Compounds; D014498:Uracil