期刊
CHEMICAL SCIENCE
卷 6, 期 1, 页码 436-441出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4sc02793k
关键词
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资金
- EC Graphene Flagship, MoQuaS [CNECT-ICT-604391]
- ERC Nanograph
- Fond der Chemischen Industrie
Based on polycyclic aromatic azomethine ylides (PAMYs), a metal-free cycloaddition-planarization-sequence is proposed, providing a unique entry to extended nitrogen-containing polycyclic aromatic hydrocarbons (N-PAHs). This method is highly versatile, as the structure of unprecedented N-PAHs can be tailored by the dipolarophile in the crucial 1,3-cycloaddition-reaction. Linear, as well as five- and six-membered cyclic dipolarophiles are successfully used. The geometric and optoelectronic nature of N-PAHs are investigated by UV-vis absorption and single crystal structure analysis. Remarkably, the newly synthesized N-PAHs demonstrate varying absorption profiles, covering the whole visible light range with rich photophysical properties, for example, fluorescent quantum yields up to 54%.
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