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Updated: Aug 9, 2026

Preparation of a Corannulene-functionalized Hexahelicene by Copper(I)-catalyzed Alkyne-azide Cycloaddition of Nonplanar Polyaromatic Units
Published on: September 18, 2016
Regioselective copper-catalyzed amination of bromobenzoic acids using aliphatic and aromatic amines
Christian Wolf1, Shuanglong Liu, Xuefeng Mei
1Department of Chemistry, Georgetown University, Washington, DC 20057, USA. cw27@georgetown.edu
Abstract:
A chemo- and regioselective copper-catalyzed cross-coupling procedure for amination of 2-bromobenzoic acids is described. The method eliminates the need for acid protection and produces N-aryl and N-alkyl anthranilic acid derivatives in up to 99% yield. N-(1-Pyrene)anthranilic acid has been employed in metal ion-selective fluorosensing. Titration experiments showed that this pyrene-derived amino acid forms an equimolar complex with Hg(II) in water resulting in selective fluorescence quenching even in the presence of other metal ions such as Zn(II) and Cd(II).
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