The role of tautomeric and rotameric species in the photophysics of 2-(2′-hydroxyphenyl) benzoxazole
GJ Woolfe, M Melzig, S Schneider, F Dörr - Chemical Physics, 1983 - Elsevier
The complex photophysical behaviour of 2-(2′-hydroxyphenyl) benzoxazole (HBO) has
been investigated using both steady-state absorption and fluorescence and time-resolved
(picosecond) emission spectroscopy, and found to be consistent with the existence of
various tautomeric and rotameric species in equilibrium in the ground state. The natures of
these species are discussed. Molecular-orbital calculations (PPP), performed for all species,
gave results in good agreement with experiment. Excited-state intramolecular proton transfer …
been investigated using both steady-state absorption and fluorescence and time-resolved
(picosecond) emission spectroscopy, and found to be consistent with the existence of
various tautomeric and rotameric species in equilibrium in the ground state. The natures of
these species are discussed. Molecular-orbital calculations (PPP), performed for all species,
gave results in good agreement with experiment. Excited-state intramolecular proton transfer …
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