Stabilizing Indigo Z-Isomer through Intramolecular Associations of Redox-Active Appendages,European Journal of Organic Chemistry

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Stabilizing Indigo Z-Isomer through Intramolecular Associations of Redox-Active Appendages
European Journal of Organic Chemistry ( IF 2.5 ) Pub Date : 2021-09-02 , DOI: 10.1002/ejoc.202100781
Line Broløs ₁ , Kristin Klaue ₂ , Jesper Bendix ₁ , Lutz Grubert ₂ , Stefan Hecht ₂ , Mogens Brøndsted Nielsen ₃

Affiliation

Redox-active indenofluorene-extended tetrathiafulvalene units were added as appendages to the indigo photoswitch. Upon oxidation of these two units to radical cations, a significantly enhanced stability of the indigo Z-isomer was observed. Thus, the half-life for the Z-to-E isomerization changed from less than a second to several hours upon formation of the dication, ascribed to intramolecular association between the two radical cation units.

中文翻译：

通过氧化还原活性附属物的分子内缔合稳定靛蓝 Z 异构体

氧化还原活性茚并芴扩展的四硫富瓦烯单元被添加为靛蓝光开关的附属物。在将这两个单元氧化成自由基阳离子后，观察到靛蓝Z-异构体的稳定性显着增强。因此，半衰期为Ž -到- ë异构化从不到一秒钟在形成二价阳离子的改变为几个小时，归因于两个自由基阳离子单元之间的分子内结合。

更新日期：2021-09-28

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