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Issue 8, 2014
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Synthesis and properties of cycloparaphenylene-2,7-pyrenylene: a pyrene-containing carbon nanoring

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Abstract

The first synthesis of a pyrene-containing carbon nanoring, cyclo[12]paraphenylene[2]-2,7-pyrenylene ([12,2]CPPyr), is described. Through a sequence of stepwise macrocyclization using Pd and Ni catalysts followed by aromatization of L-shaped cyclohexane units afforded a [12,2]CPPyr in five steps from commercially available compounds. The UV-vis absorption and fluorescence spectra as well as TD-DFT calculations clarified the unique photophysical and electronic properties of the [12,2]CPPyr.

Graphical abstract: Synthesis and properties of cycloparaphenylene-2,7-pyrenylene: a pyrene-containing carbon nanoring

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Publication details

The article was received on 26 Oct 2013, accepted on 19 Nov 2013 and first published on 19 Nov 2013


Article type: Communication
DOI: 10.1039/C3CC48198K
Citation: Chem. Commun., 2014,50, 957-959
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    Synthesis and properties of cycloparaphenylene-2,7-pyrenylene: a pyrene-containing carbon nanoring

    A. Yagi, G. Venkataramana, Y. Segawa and K. Itami, Chem. Commun., 2014, 50, 957
    DOI: 10.1039/C3CC48198K

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