基于邻碳硼烷骨架的四苯基乙烯阳离子环烷的合成及其特性

IF 9.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Chinese Chemical Letters Pub Date : 2024-05-31 DOI:10.1016/j.cclet.2024.110074

Rongjian Chen , Jiahui Liu , Caixia Lin , Yuanming Li , Yanhou Geng , Yaofeng Yuan

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引用次数: 0

摘要

通过 SN2 反应合成了两种邻硼烷基四苯基乙烯（TPE）阳离子环烷 O1-4PF6 和 O2-4PF6。通过单晶分析确认了它们的结构都具有 Z 形空腔。利用紫外-可见光谱和荧光技术对这些大环的光学性质进行了系统研究。值得注意的是，在 TPE 单元中引入甲氧基后，可以合成近红外发光大环 O2-4PF6。研究人员利用荧光滴定、紫外-可见滴定和透射电子显微镜（TEM）等多种技术研究了这两种大环对核苷酸的识别行为。有趣的是，这些环烷在水中或核苷酸的诱导下表现出聚集诱导发射（AIE）效应。

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Synthesis and properties of tetraphenylethene cationic cyclophanes based on o-carborane skeleton

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Synthesis and properties of tetraphenylethene cationic cyclophanes based on o-carborane skeleton

Two o-carborane based tetraphenylethene (TPE) cationic cyclophanes O1·4PF₆ and O2·4PF₆ were synthesized through an S_N2 reaction. Their structures were confirmed both possessing Z-shaped cavities in single crystal analysis. The optical properties of these macrocycles were systematically investigated using UV–vis spectroscopy and fluorescence techniques. It is worth noting that the introduction of a methoxy group to the TPE unit enables the synthesis of a near-infrared-emitting macrocycle O2·4PF₆. The recognition behaviors of these two macrocycles towards nucleotides were investigated using various techniques including fluorescence titration, UV–vis titration, and transmission electron microscopy (TEM). Interestingly, these cyclophanes exhibited aggregation-induced emission (AIE) effects in water or under the induction of nucleotides.

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来源期刊

Chinese Chemical Letters 化学-化学综合

CiteScore

14.10

自引率

15.40%

发文量

8969

审稿时长

1.6 months

期刊介绍： Chinese Chemical Letters (CCL) (ISSN 1001-8417) was founded in July 1990. The journal publishes preliminary accounts in the whole field of chemistry, including inorganic chemistry, organic chemistry, analytical chemistry, physical chemistry, polymer chemistry, applied chemistry, etc.Chinese Chemical Letters does not accept articles previously published or scheduled to be published. To verify originality, your article may be checked by the originality detection service CrossCheck.