Synthesis of Novel Diarylethenes Bearing Naphthalimide Moiety and Photochromic Fluorescence Behaviors

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dc.contributor.authorOrhan, Ersin
dc.date.accessioned2020-04-30T14:39:14Z
dc.date.available2020-04-30T14:39:14Z
dc.date.issued2017
dc.departmentDÜ, Fen-Edebiyat Fakültesi, Kimya Bölümüen_US
dc.description.abstractThe objective of the research was to synthesize new photo-switchable photochromic fluorescence compounds. Starting from N-butyl-4-bromo-3-iodo-1,8naphthalimide, new compounds, namely 3,4-bis(2-phenyl-5-methyl-4-thiazolyl)-N-butyl1,8-naphthalimide 1O and 3,4-bis(3,5-dimethyl-4-isoxazolyl)-N-butyl-1,8-naphthalimide 2O were prepared via two-step Suzuki coupling reaction of aryl boronic acid and esters, and their photochromic fluorescence properties were investigated. Although all prepared bisaryl naphthylimides fluoresce due to the naphthylimide moiety, among them photochrome 1O displayed photochromism. On exposure to ultraviolet light, the photochrome 1O showed a pale yellow to blue-green color change due to the formation of ring closed form 1C, which reversed to the ring opened form 1O on exposure to visible light. Conversion ratio and quantum efficiency (from O to C form) for 1O were also determined. Additionally, a solvent effect on the fluorescence properties of 1O and 2O was investigated. Increase of solvent polarity results in a red shift (to longer wavelengths) of the fluorescence emissionsen_US
dc.identifier.endpage516en_US
dc.identifier.issn2149-0120
dc.identifier.issn2149-0120
dc.identifier.issue2en_US
dc.identifier.startpage501en_US
dc.identifier.urihttps://app.trdizin.gov.tr/makale/TWpZd01EWTVPUT09
dc.identifier.urihttps://hdl.handle.net/20.500.12684/1351
dc.identifier.volume4en_US
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectMühendisliken_US
dc.subjectKimyaen_US
dc.titleSynthesis of Novel Diarylethenes Bearing Naphthalimide Moiety and Photochromic Fluorescence Behaviorsen_US
dc.typeArticleen_US

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