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From Linear to T-Shaped Indan-1,3-dione Push-Pull Molecules: A Comparative Study
Year: 2018
Type of publication: článek v odborném periodiku
Name of source: Helvetica Chimica Acta
Publisher name: Wiley-VCH
Place: Weinheim
Page from-to: "e201800090-1"-"e201800090-13"
Titles:
Language Name Abstract Keywords
cze Srovnávací studie push-pull molekul na bázi indan-1,3-dionu: od lineárních po rozvětvené tvaru T. Byla syntetizována série lineárních, čtyřramenných a tvaru T push-pull chromoforů na bázi indan-1,3-dionu. Byly využity Knoevenagelovy kondenzace a Pd-katalyzované Suzukiho-Miyaurovy nebo Sonogashirovy cross-couplingové reakce. Optoelektronické vlastnosti derivátů byly modulovány prostřednictvím modifikace základního akceptorních skeletu indan-1,3-dionu s pomocí pi-můstků a periferních donorních větví. Struktura látek byla potvrzena X-ray analýzou. Termické a optoelektronické vlastnosti byly zjišťovány s pomocí DSC, elektrochemie, UV/Vis absorpční spektroskopie a DFT kalkulací. indan-1,3-diony; donor-akceptorové systémy; intramolekulární přenos náboje; push-pull chromofory
eng From Linear to T-Shaped Indan-1,3-dione Push-Pull Molecules: A Comparative Study A series of indan-1,3-dione-based linear, quadrupolar and T-shaped push-pull chromophores have been designed and synthesized by the Knoevenagel condensation and Pd-catalyzed Suzuki-Miyaura or Sonogashira cross-coupling reactions. The number and position of the peripheral donor branches attached to the central withdrawing indan-1,3-dione moiety have been varied jointly with the type of -linker used in order to modulate fundamental optoelectronic properties. The molecular structure of two chromophores has been confirmed by X-ray analysis. The thermal and optoelectronic properties have further been investigated by differential scanning calorimetry, electrochemistry, UV/Vis absorption spectroscopy, and DFT calculations. Based on these experimental and theoretical data, thorough structure-property relationships have been further evaluated and influence of the particular structural modification on chromophore properties has been discussed. indan-1; 3-diones; T-shaped; donor-acceptor systems; intramolecular charge transfer; push-pull chromophores

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