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Updated: Feb 23, 2026

Preparation of a Corannulene-functionalized Hexahelicene by CopperI-catalyzed Alkyne-azide Cycloaddition of Nonplanar Polyaromatic Units
Published on: September 18, 2016
Synthesis and Properties of meso-Arylated Corrphycenes
Ryo Nozawa1, Hiroshi Shinokubo1
1Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University , Nagoya 464-8603, Japan.
Abstract:
A novel synthetic procedure for meso-aryl-substituted corrphycenes has been developed. Suzuki-Miyaura coupling of α,α'-dibromodipyrrin with vic-diborylalkene and o-diborylbenzene afforded ethenylene- and phenylene-bridged bisdipyrrins, respectively, which were transformed to the corresponding corrphycenes upon treatment with palladium acetate. The bridging units significantly affect the macrocyclic π-conjugation circuits, thus changing the aromatic characters and absorption features of corrphycenes.
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