On the Chemistry of Bile Pigments, LXXXIV: Preparation and Luminescence of Bichromophoric 5-Aryl-dipyrrin Derivatives

Article abstract of DOI:10.1007/BF00810296

1,3- and 1,4-Bis-dipyrrin-benzenes and their various zinc and difluoroboryl chelates are prepared.Their absorption and fluorescence spectra are compared with those of the corresponding mono-dipyrrin derivatives.The conformations of these compounds are analyzed using the ring current model and absorption spectra.Diple-dipole type transfer of excitation energy is discussed to represent a main photophysical channel in these compounds.