Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 20, Pages 5938-5942Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201800585
Keywords
fluorescence; helical structures; photophysics; polycyclic aromatic hydrocarbons; pi-extension
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Funding
- Graduate School Molecular Science (GSMS)
- German Research Council (DFG) through the Collaborative Research Center [SFB953]
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A novel pi-extended superhelicene based on hexa-peri-hexabenzocoronenes (HBCs) has been synthesized by an efficient four-step synthetic procedure starting from diphenyl ether. Comprehensive structural analysis of the helicene was performed by NMR spectroscopy and mass spectrometry measurements together with X-ray analysis. Physicochemical analysis of the superhelicene and suitable HBC references revealed it had outstanding fluorescent features with quantum yields of over 80%.
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