Mechanofluorochromic behaviours of functionalized carbazole‐based difluoroboron compounds with different aryl substituents moieties
作者:Sihu Dou、Maocai Xu、Jiazhuang Tian、Bangcui Zhang、Shuling Gao、Yanhua Yang、Baoling Wang、Xiangguang Li、Gaozhang Gou
DOI:10.1002/bio.4532
日期:2023.8
To better understand the relationship between molecular structure and mechanofluorochromic characteristics, three carbazole-based N^O-chelated difluoroboron compounds (Cz-S-BF2, Cz-PhNp-S-BF2, and Cz-BNp-S-BF2) with different aryl substituents moieties were designed and synthesized. The mechanofluorochromic behaviours of Cz-S-BF2 (luminescence from bluish-green to yellowish-green, emission from 504
为了更好地理解分子结构和机械荧光变色特性之间的关系,研究了三种咔唑基N^O螯合二氟硼化合物(Cz-S-BF 2、Cz-PhNp-S-BF 2和Cz-BNp-S-BF 2)设计并合成了具有不同芳基取代基部分的化合物。无芳基取代的Cz-S-BF 2(从蓝绿色到黄绿色发光,从 504 到 535 nm 发射)和Cz-PhNp-S-BF 2(从绿色和黄色发光,从 521 发射)的机械荧光变色行为到557 nm)与苯基萘基团使用研磨-烟熏工艺进行可逆转化。对于Cz-BNp-S-BF 2来说,由于联萘部分的良好共面性,这一点并不明显。通过 XRD 图案测量证明了机械荧光变色性能。我们预计这项研究将为获取具有机械荧光变色特性的有机分子提供切实可行的参考。