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CSJ Journals

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2016, Vol.45, No.2

217-219

One-pot Synthesis of [n]Cyclo-1,3-pyrenylenes via Ni-mediated Macrocyclization

Koki Ikemoto 1 , Sota Sato 1 , 2 , Hiroyuki Isobe 1 , 2
1 JST ERATO Isobe Degenerate π-Integration Project and Advanced Institute for Materials Research (AIMR), Tohoku University
2 Department of Chemistry, Tohoku University
https://doi.org/10.1246/cl.151112

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Abstract
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A concise method for the synthesis of [n]cyclo-1,3-pyrenylenes has been developed. A Ni-mediated macrocyclization was found effective for the one-pot macrocyclization of the corresponding dibromide. Macrocyclic congeners of n = 5 and 6 were isolated and identified to show an interesting feature in UV–vis spectra in comparison with relevant macrocycles.

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