What is it about?
Concatenating Suzuki coupling and two-fold Buchwald-Hartwig amination in sequentially palladium-catalyzed consecutive multicomponent syntheses paves a concise, convergent route to diversely functionalized para-biaryl-substituted triarylamines (p-bTAAs) from simple, readily available starting materials. Redox potentials and emission wavelength can be readily tuned by the modular installation of the substituents. 3D Hammett plots resulting from the correlation of oxidation potentials and emission maxima with electronic substituent parameters emphasize the rational design of tailored p-bTAAs with predictable electrochemical and photophysical properties.
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Why is it important?
Triarylamines are important constituents in molecular electronics and photonics as hole conductors and emitters
Perspectives
Our long-term mission is to provide concise syntheses of functional molecules by modular one-pot methodologies for quickly enhancing structural and functional space of molecules of interest (pharmacophores, chromophores, luminophores, electrophores) in a sustainable fashion by catalytic sequences.
Professor Thomas J J Müller
Heinrich-Heine-Universitat Dusseldorf
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This page is a summary of: A Rational Design of Electrochemically and Photophysically Tunable Triarylamine Luminophores by Consecutive (Pseudo‐)Four‐Component Syntheses, Chemistry - A European Journal, February 2024, Wiley,
DOI: 10.1002/chem.202304119.
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