The influence of aryl substitution on the photophysics of 1-aryl-fluorenones

Article abstract of DOI:10.1016/S0040-4039(97)01107-6

1-aryl-fluorenone derivatives were prepared from fluorenone via 9- fluorenone-1-boronic acid by coupling with the corresponding aryl-halides. The photophysical properties of these derivatives were found to be strongly influenced by a new CT transition, resulting in some cases in dual luminescence.