Asymmetrically bridged aroyl- S , N -ketene acetal-based multichromophores with aggregation-induced tunable emission.

Autor: Biesen L; Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine-Universität Düsseldorf Universitätsstraße 1 D-40225 Düsseldorf Germany ThomasJJ.Mueller@uni-duesseldorf.de., Krenzer J; Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine-Universität Düsseldorf Universitätsstraße 1 D-40225 Düsseldorf Germany ThomasJJ.Mueller@uni-duesseldorf.de., Nirmalananthan-Budau N; Division Biophotonics, Bundesanstalt für Materialforschung und -prüfung (BAM), Department 1 Richard-Willstätter-Straße 11 D-12489 Berlin Germany., Resch-Genger U; Division Biophotonics, Bundesanstalt für Materialforschung und -prüfung (BAM), Department 1 Richard-Willstätter-Straße 11 D-12489 Berlin Germany., Müller TJJ; Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine-Universität Düsseldorf Universitätsstraße 1 D-40225 Düsseldorf Germany ThomasJJ.Mueller@uni-duesseldorf.de.
Jazyk: angličtina
Zdroj: Chemical science [Chem Sci] 2022 Apr 12; Vol. 13 (18), pp. 5374-5381. Date of Electronic Publication: 2022 Apr 12 (Print Publication: 2022).
DOI: 10.1039/d2sc00415a
Abstrakt: Asymmetrically bridged aroyl- S , N -ketene acetals and aroyl- S , N -ketene acetal multichromophores can be readily synthesized in consecutive three-, four-, or five-component syntheses in good to excellent yields by several successive Suzuki-couplings of aroyl- S , N -ketene acetals and bis(boronic)acid esters. Different aroyl- S , N -ketene acetals as well as linker molecules yield a library of 23 multichromophores with substitution and linker pattern-tunable emission properties. This allows control of different communication pathways between the chromophores and of aggregation-induced emission (AIE) and energy transfer (ET) properties, providing elaborate aggregation-based fluorescence switches.
Competing Interests: There are no conflicts to declare.
(This journal is © The Royal Society of Chemistry.)
Databáze: MEDLINE