Abstract
The preparation and characterization of the two title compounds (6-hydroxybenz[de]anthracen-7-one
(2) and 3-hydroxybenz[de]anthracen-4-one(3) or their proton tautomers), and an isomer (8-hydroxybenz[
de]anthracen-7-one (4)), are reported. The electronic spectra of (2) and (3) suggest that annelation
of 9-hydroxyphenalenone (1) produces substantial shifts in the energies and intensities of
the transitions, but does not fundamentally alter the underlying character of the chromophore.
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