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End date: 2019 × Start date: 2016 × DDC: 540 × DDC: 620 × Type: article ×

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    Curcuminoid–BF2 complexes: Synthesis, fluorescence and optimization of BF2 group cleavage
    (Frankfurt a.M. : Beilstein-Institut, 2017) Weiß, Henning; Reichel, Jeannine; Görls, Helmar; Schneider, Kilian R.A.; Micheel, Mathias; Pröhl, Michael; Gottschaldt, Michael; Dietzek, Benjamin; Weigand, Wolfgang
    Eight difluoroboron complexes of curcumin derivatives carrying alkyne groups containing substituents have been synthesized following an optimised reaction pathway. The complexes were received in yields up to 98% and high purities. Their properties as fluorescent dyes have been investigated. Furthermore, a strategy for the hydrolysis of the BF2 group has been established using aqueous methanol and sodium hydroxide or triethylamine.