Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 45, Pages 12231-12235Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201407053
Keywords
arenes; clusters; organic synthesis; porphyrinoids; structure elucidation
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Funding
- DFG [SFB 953]
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A free-base porphyrin carrying two hexabenzocoronene (HBC) substituents in a trans arrangement and its zinc complex have been prepared. The compounds were characterized extensively and found to form tricationic dimers in the gas phase. X-ray crystallography confirms for the zinc complex a profound p-stacking of the HBC moieties. In contrast, the free-base porphyrin incarcerates n-heptane which essentially prevents p-stacking. Upon excitation of the HBC substituents, efficient energy transfer to the central porphyrin is observed.
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