Korzun André, Crespi Stefano, Golz Christopher, Bismuto Alessandro
Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen Tammannstr. 2 37077 Göttingen Germany
Department of Chemistry - Ångström Laboratory Uppsala University Box 523, 751 20 Uppsala Sweden.
Chem Sci. 2023 Jun 7;14(24):6579-6584. doi: 10.1039/d3sc01493b. eCollection 2023 Jun 21.
Boron-based dipyrrin chromophores (BODIPY) have found widespread application over the last twenty years in fields as diverse as medicine and materials. Thus, several efforts have been placed to exchange boron with other elements, with the aim of developing materials with complementary luminescent properties. However, despite these attempts, the incorporation of other main-group elements in dipyrrin scaffolds remains still rare. We have successfully synthesized and characterized novel chromophores based on antimony and bismuth, SBDIPY and BIDIPY. Solution stabilities have been investigated by VT-UV/vis spectroscopy and the fluorescence emission studied and supported by computational analysis. We were also able to isolate the first direct analogue of BODIPY containing fluoride handles, disclosing preliminary luminescent features.
硼基二吡咯发色团（BODIPY）在过去二十年中已在医学和材料等诸多不同领域得到广泛应用。因此，人们已做出多项努力用其他元素取代硼，旨在开发具有互补发光特性的材料。然而，尽管有这些尝试，在二吡咯支架中引入其他主族元素的情况仍然很少见。我们已成功合成并表征了基于锑和铋的新型发色团，即SBDIPY和BIDIPY。通过变温紫外可见光谱研究了溶液稳定性，并通过计算分析对荧光发射进行了研究和支持。我们还能够分离出含氟取代基的首个BODIPY直接类似物，揭示了其初步发光特性。
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