Porphyrin-Ryleneimide Hybrids: Tuning of Visible and Near-Infrared Absorption by Chromophore Desymmetrization.,Organic Letters

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Porphyrin-Ryleneimide Hybrids: Tuning of Visible and Near-Infrared Absorption by Chromophore Desymmetrization.
Organic Letters ( IF 4.9 ) Pub Date : 2020-08-28 , DOI: 10.1021/acs.orglett.0c02544
Sunit Kumar ₁ , Yogesh Kumar Maurya ₁ , Seongsoo Kang ₂ , Piotr Chmielewski ₁ , Tadeusz Lis ₁ , Joanna Cybińska _{1,

3} , Dongho Kim ₂ , Marcin Stępień ₁

Affiliation

Unsymmetrically fused porphyrins containing one or two naphthalimide subunits were prepared in modular syntheses relying on electron-rich and electron-poor pyrrole building blocks. These new chromophores show progressive changes in their electron-deficient character, while retaining comparably small optical and electrochemical band gaps. The intrinsic curvature and extended optical absorption of these systems make them of interest as mono- and difunctional components of multichromophoric assemblies.

中文翻译：

卟啉-苯二甲酰亚胺杂化物：通过发色团去对称化调节可见光和近红外吸收。

含一个或两个萘二甲酰亚胺亚基的不对称稠合卟啉是依靠富电子和贫电子的吡咯构件以模块合成的方式制备的。这些新的生色团显示出其电子不足特性的逐步变化，同时保留了相对较小的光学和电化学带隙。这些系统的固有曲率和扩展的光吸收特性使其成为多色组装体的单功能和双功能组件。

更新日期：2020-09-20

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