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Selective Synthesis of [7]- and [8]Cycloparaphenylenes

Friederike Sibbel, Katsuma Matsui, Yasutomo Segawa, Armido Studer and Kenichiro Itami

Chem. Commun. 2013, Accepted Manuscript, doi: 10.1039/C3CC48683D


Cycloparaphenylenes (CPPs) are a remarkable class of hoop-shaped conjugated macrocycles with inimitable properties. Herein we describe a divergent synthesis of [7]CPP and [8]CPP. Furthermore we present the first crystal structure of [7]CPP. Thus, we now have established the size-selective synthesis of [n]CPP (n = 7–16) in a uniformed cyclohexane-based method.

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