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首页> 外文期刊>Chemistry: A European journal >Symmetrical and nonsymmetrical chromophores with tr?ger's base skeleton: Chiroptical, linear, and quadratic nonlinear optical properties a joint theoretical and experimental study
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Symmetrical and nonsymmetrical chromophores with tr?ger's base skeleton: Chiroptical, linear, and quadratic nonlinear optical properties a joint theoretical and experimental study

机译：具有Trger基本骨架的对称和非对称生色团：整形，线性和二次非线性光学性质，联合理论和实验研究

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摘要

We report on the novel chiral push-pull chromophores derived from 6H, 12H-5, 11-methanodibenzo[b,f] [1,5]diazocine (Tr?ger's base skeleton). The synthesis of symmetrical chromophores featuring two identical acceptors, as well as the synthesis of unsymmetrical chromophores featuring only one acceptor is given. Symmetrical chromophores were prepared in the enantiomerically pure form and their chiroptical properties were investigated. Second-order nonlinear optical (NLO) properties of new chromophores were investigated with the aid of hyper-Rayleigh scattering (HRS). The detailed theoretical analysis of the second-order NLO properties of the chromophores was also undertaken. The joint theoretical and experimental studies of chromophores derived from Tr?ger's base skeleton, in comparison with benchmark chromophores featuring a dimethylamino group as the donor, provided insight into the relationship between the structure of the new chromophores and their NLO properties.
机译：我们报道了衍生自6H，12H-5、11-甲二苯并[b，f] [1,5]二重氮（Tr？ger的基本骨架）的新型手性推挽发色团。给出了具有两个相同受体的对称生色团的合成，以及仅具有一个受体的非对称生色团的合成。以对映体纯形式制备对称发色团，并研究了它们的手性。利用超瑞利散射（HRS）研究了新发色团的二阶非线性光学（NLO）特性。还对发色团的二阶NLO性质进行了详细的理论分析。与以二甲基氨基为供体的基准生色团比较，对从Trger基础骨架衍生的生色团进行的联合理论和实验研究为新生色团的结构与其NLO性质之间的关系提供了见识。

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