Monatshefte fur Chemie p. 67 - 76 (1990)
Update date:2022-08-03
Topics:
Falk, Heinz
Schoppel, Gerhard
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.
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