Beilstein J. Org. Chem.2016,12, 825–834, doi:10.3762/bjoc.12.81
lattice, along with an emission-band broadening, as compared to the solution fluorescence spectra.
Keywords: indenopyran-3-ones; organic fluorophores; pyrones; solid-state emission spectra; solution emission spectra; UV–vis spectra; Introduction
Indenopyrans are functionalized oxygen-containing
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Graphical Abstract
Scheme 1:
Synthesis of dihydroindeno[1,2-c]pyran-3-ones 2 and 3.