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Article

Three-Component Suzuki–Knoevenagel Synthesis of Merocyanine Libraries and Correlation Analyses of Their Oxidation Potentials and Optical Band Gaps

Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, D-40225 Düsseldorf, Germany
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Academic Editors: Ana Maria Gomez Neo and Carlos Fernández Marcos
Molecules 2021, 26(17), 5149; https://doi.org/10.3390/molecules26175149
Received: 16 July 2021 / Revised: 18 August 2021 / Accepted: 19 August 2021 / Published: 25 August 2021
(This article belongs to the Special Issue New Approach in Multicomponent Reactions)
The Suzuki coupling Knoevenagel condensation one-pot synthesis of boronic acids/esters, (hetero)aromatic bromo aldehydes and methylene active compounds is a highly practical consecutive three-component process to provide substance libraries with 60 donor-π-bridge-acceptor molecules, i.e., merocyanines in a broader sense, in moderate to excellent yield. As already seen with the naked eye, a broad variation of the optical properties becomes accessible using this practical synthetic tool. More systematically, correlation analyses upon plotting the optical band gaps against the first oxidation potentials of redox active systems of consanguineous series furnishes linear correlations and, by extension, two parameter plots (oxidation potential and emission maximum) planar correlations with the optical band gaps. View Full-Text
Keywords: absorption; aldol condensation; correlation analysis; cross-coupling reactions; cyclic voltammetry; fluorescence absorption; aldol condensation; correlation analysis; cross-coupling reactions; cyclic voltammetry; fluorescence
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MDPI and ACS Style

Meyer, T.; Krug, R.; Müller, T.J.J. Three-Component Suzuki–Knoevenagel Synthesis of Merocyanine Libraries and Correlation Analyses of Their Oxidation Potentials and Optical Band Gaps. Molecules 2021, 26, 5149. https://doi.org/10.3390/molecules26175149

AMA Style

Meyer T, Krug R, Müller TJJ. Three-Component Suzuki–Knoevenagel Synthesis of Merocyanine Libraries and Correlation Analyses of Their Oxidation Potentials and Optical Band Gaps. Molecules. 2021; 26(17):5149. https://doi.org/10.3390/molecules26175149

Chicago/Turabian Style

Meyer, Tim, Roxanne Krug, and Thomas J.J. Müller 2021. "Three-Component Suzuki–Knoevenagel Synthesis of Merocyanine Libraries and Correlation Analyses of Their Oxidation Potentials and Optical Band Gaps" Molecules 26, no. 17: 5149. https://doi.org/10.3390/molecules26175149

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