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Introducing the Substituted Azobispyrrole Framework: Synthesis and Properties

Abstract

An unprecedented azobispyrrole framework is introduced, wherein two aryl-substituted pyrroles are joined by an azo (-NN-) linkage. Functionalisation was demonstrated via pyrrolic N-methylation and by -BF2 complexation using the coordinating abilities of the pyrrolic and azo nitrogen atoms. Control of co-planarity enables tunability with maximal absorption and emission spanning almost 300 nm.

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Citation

Alkaş A, Diaz-Rodriguez RM, Sequeira SO, Hilborn JW, Atansi M, Sullivan EC, Brown EB, Gapare RL, Mutus B, Robertson KN, Thompson A. Introducing the substituted azobispyrrole framework: synthesis and properties. Chem Commun (Camb). 2025 Jul 3. doi: 10.1039/d5cc02884a. Epub ahead of print. PMID: 40605751.

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