期刊
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
卷 2010, 期 36, 页码 6883-6894出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201000930
关键词
Cyclophanes; Fluorescence; Internal charge transfer; Conjugated polymers
In this microreview, we highlight optical properties of [2.2]paracyclophanes (pCps). We demonstrate how the spectroscopic properties that stem from the strained and pi-stacked structure have resulted in pCps being incorporated in materials science and polymer synthesis. As a result of chromophore substitution, internal charge transfer (ICT) between the two rings of the cyclophane core produce frameworks with unique optical properties. Deck-substituted mole-cules and polymers have beensynthesized that possess donor and acceptor groups that affect internal charge transfer (ICT). We also demonstrate that bridge-substituted [2.2] paracylophanes, although not well studied in this context, display unexpected optical properties owing to nonconventional ICT. A highlight is a recent templated solid-state synthesis that affords a pCp that exhibits dramatic red-shifted fluorescence.
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