首页> 外文期刊>Chemistry: A European journal >Naphthobipyrrole-Derived Sapphyrins: Rational Synthesis, Characterization, Nonlinear Optical Properties, and Excited-State Dynamics
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Naphthobipyrrole-Derived Sapphyrins: Rational Synthesis, Characterization, Nonlinear Optical Properties, and Excited-State Dynamics

机译:萘并双吡咯衍生的红霉素:合理合成,表征,非线性光学性质和激发态动力学。

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摘要

Two new free-base beta-octa and hexaalkyl naphthobipyrrole-derived sapphyrins are reported along with various salts thereof. One of them has substituents at all of its beta positions, whereas the pyrrole unit opposite to the bipyrrolic moiety is unsubstituted in the other. The effect of bipyrrole fusion on the structure of sapphyrins was explored. Interestingly, an unprecedented sandwiched supramolecular aqua-bridged free-base sapphyrin dimer was also characterized in the solid state. Further, the effect of anions on the third0order nonlinear optical properties of these sapphyrins were explored in the salt form, along with their detailed excited-state dynamics by both degenerate and nondegenerate pump-probe studies.
机译:据报道,有两种新的由游离基β-辛基和六烷基萘二吡咯衍生的红霉素及其各种盐。它们中的一个在其所有β位均具有取代基,而与双吡咯部分相对的吡咯单元在另一个中未被取代。探索了联吡咯融合对红景天苷结构的影响。有趣的是,固态也表征了前所未有的夹在中间的超分子水桥游离碱型沙弗林二聚体。此外,还通过简并和简并的泵浦探针研究,以盐的形式探讨了阴离子对这些红霉素的三阶非线性光学性质的影响,以及它们详细的激发态动力学。

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