Synthesis of thiophene-fused heptalenes by cycloaddition of azulenothiophenes with dimethyl acetylenedicarboxylate
Synthesis of thiophene-fused heptalenes by cycloaddition of azulenothiophenes with dimethyl acetylenedicarboxylate
复制标题
薁噻吩与乙炔二甲酸二甲酯环加成合成噻吩稠合庚烯
DOI：
10.1038/s41598-020-69425-w
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发表时间：
2020
影响因子：
4.6
通讯作者：
Yasunami Masafumi
中科院分区：
文献类型：
--
作者：
Shoji Taku;Miura Kota;Ariga Yukino;Yamazaki Akari;Ito Shunji;Yasunami Masafumi
庚烯具有两个环庚三烯的融合结构，是具有12π电子结构的非芳香双环分子之一。本文报道了由相应的噻吩与二甲基乙酰二羧酸酯进行环加成反应合成噻吩-融合庚烯衍生物。通过单晶x射线结构分析澄清了它们的结构。用紫外/可见光谱和荧光光谱对所制得的噻吩-七烯的电子性质进行了表征。并通过伏安法和光谱电化学实验研究了这些衍生物的电化学特性。
Heptalene has a fused structure of two cycloheptatrienes which is one of the non-aromatic bicyclic molecules with a 12π-electronic structure. We report herein the synthesis of thiophene-fused heptalene derivatives from the corresponding azulenothiophenes via cycloaddition reaction with dimethyl acetylenedicarboxylate. Their structure was clarified by single-crystal X-ray structural analysis. The electronic properties of the thiophene-fused heptalenes obtained by this study were characterized by UV/Vis and fluorescence spectroscopy measurements. The electrochemical features of these derivatives were also examined by voltammetry and spectroelectrochemical experiments.