2023
DOI: 10.1002/ange.202302995
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Einzelkettennanopartikel mit Reaktivität im sichtbaren Lichtspektrum

Abstract: Wir stellen ein Einzelkettennanopartikel (SCNP)‐System vor, welches bei identischer Konzentration die Photooxidation unpolarer Alkene bis zu dreimal effizienter katalysieren kann als ein äquivalenter niedermolekularer Photosensibilisator. Konkret haben wir SCNPs basierend auf Poly(ethylenglykol)methylethermethacrylat und Glycidylmethacrylat entwickelt, welches wir über multifunktionelle Thiol‐Epoxid‐Verknüpfungen in Kombination mit der Funktionalisierung mit Bengalrosa (RB) in einer Eintopfreaktion falten. Die… Show more

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(4 citation statements)
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“…[42] Overall, styryl groups without electron-donating substituents did not react well, likely owing to greater difficulty in oxidizing these substrates. Competitive photoisomerization was observed in reactions with some cinnamates and stilbenes (12,13) These transformations highlight the versatility of the TPT-based SCNP photoredox catalyst. Given the inherent solubility differences between the SCNPs and small molecule reactants and/or products, we sought to investigate the possibility that the TPT-SNapNL-SCNP could be recycled and reused.…”
Section: Linear Polymer and Scnp Characterizationmentioning
confidence: 98%
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“…[42] Overall, styryl groups without electron-donating substituents did not react well, likely owing to greater difficulty in oxidizing these substrates. Competitive photoisomerization was observed in reactions with some cinnamates and stilbenes (12,13) These transformations highlight the versatility of the TPT-based SCNP photoredox catalyst. Given the inherent solubility differences between the SCNPs and small molecule reactants and/or products, we sought to investigate the possibility that the TPT-SNapNL-SCNP could be recycled and reused.…”
Section: Linear Polymer and Scnp Characterizationmentioning
confidence: 98%
“…[1][2][3][4][5][6][7][8][9][10][11] SCNPs constitute confined macromolecular architectures that arise through the controlled folding of individual polymer chains. [12][13][14][15] Multiple compaction approaches have been reported based primarily on the use of reversible supramolecular, dynamic covalent, and/or irreversible covalent crosslinking chemistries. To date, the majority of these folding strategies have installed catalytically-relevant groups through judicious selection of comonomers.…”
Section: Introductionmentioning
confidence: 99%
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