Synthesis of bis-BN-Naphthalene-Fused Oxepins and Their Photoluminescence Including White-Light Emission
作者:Dawei Tian、Qian Li、Yifan Zhao、Zijia Wang、Wenbin Li、Shuling Xia、Siyang Xing、Bolin Zhu、Jianying Zhang、Chunming Cui
DOI:10.1021/acs.joc.9b02594
日期:2020.1.17
system. Interestingly, dual-fluorescent emissions were observed upon dissolving N-substituted derivatives 10-14 in dimethyl sulfoxide. Tunable emission colors especially for white-light emissions can be achieved by controlling the ratio of solvents, concentration, or temperature using only a single-molecule compound.
通过溴化的2,1-硼硼烷萘和顺式双(硼基)烯烃的钯催化串联反应,合成了一系列新型的双-BN-萘稠合的环氧丙烷衍生物。X射线晶体学分析表明,双-BN-萘-融合的氧杂环丁烷具有平面框架。通过紫外可见光谱和荧光光谱以及密度泛函理论(DFT)计算研究了新型BN-萘基融合氧杂环丁烷的电子和光物理性质,该计算揭示了类似烃类系统的独特电子和光物理性质。有趣的是,将N-取代的衍生物10-14溶解在二甲基亚砜中观察到双荧光发射。通过控制溶剂的比例,浓度,