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|Author||Monteiro, Jorge H. S. K.|
|Author||de Bettencourt-Dias, Ana|
|Author||Chalifoux, Wesley A.|
|Date of Issue||2017|
|Description||We synthesized thiophene-functionalized pyrene, peropyrene, and teropyrene through a two- or four-fold alkyne annulation reaction promoted by triflic acid. All of the target compounds were fully characterized spectroscopically, and the structure of the peropyrene analogue was unambiguously confirmed by X-ray crystallography. A significant red shift in the absorption and emission properties as a function of extended conjugation was observed by UV–vis and fluorescence spectroscopy. This alkyne annulation strategy is a useful method for the conversion of smaller polycyclic aromatics to larger ones, such as nanographenes.|
|Item Language||English(United States)|
|Rights||Creative Commons Attribution 4.0 United States|
|Title||New thiophene-functionalized pyrene, peropyrene and teropyrene via a two- or four-fold alkyne annulation and their photophysical properties|
|Journal Title||Canadian Journal of Chemistry|
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