基于苯并[1,3]2- 1基序的新型显色共柱[5]芳烃:合成、固相组装、光物理研究及S2的比色识别。

IF 3.3 3区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY
Subrata Ranjan Dhara, Dr. Nabajyoti Baildya, Prof. Dr. Kumaresh Ghosh
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引用次数: 0

摘要

本文首次报道了将苯并[1,3]草硫醇-2- 1基团引入[5]芳烃柱上合成新的[5]芳烃柱,进一步功能化得到新的[5]芳烃柱衍生物1的途径。这种新的柱状[5]芳烃具有明确的腔体,具有单晶x射线结构表征的溶剂包裹性。本研究探讨了乙酸乙酯(EtOAc)和乙腈(CH3CN)的包合及其在固体状态下具有不同特征的超分子组合。柱状[5]芳烃1在EtOAc和CH3CN中均倾向于形成二聚体。乙酸乙酯占据的大环以二维排列方式形成π -π相互作用,而乙腈占据的大环以二维排列方式形成π -π、C-H··π和h -键相互作用,形成直径为~5.5 Å的菱形分子通道。化合物1表现出良好的光物理性质和聚集性。它作为显色传感器,在有机和水-有机溶剂中选择性识别硫化物(S2-)和一系列其他阴离子。S2-的检出限为3.81 × 10-7 M。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Benzo[1,3]oxathiol-2-one Motif-Based a New Chromogenic Copillar[5]arene: Synthesis, Solid-State Assembly, Photophysical Studies, and Colorimetric Recognition of S2−

Benzo[1,3]oxathiol-2-one Motif-Based a New Chromogenic Copillar[5]arene: Synthesis, Solid-State Assembly, Photophysical Studies, and Colorimetric Recognition of S2−

Benzo[1,3]oxathiol-2-one Motif-Based a New Chromogenic Copillar[5]arene: Synthesis, Solid-State Assembly, Photophysical Studies, and Colorimetric Recognition of S2−

Herein, for the first time, we have reported a route to the introduction of benzo[1,3]oxathiol-2-one group onto pillar[5]arene to synthesize a new copillar[5]arene, which gives a new pillar[5]arene derivative 1 upon further functionalization. The well-defined cavity of this new copillar[5]arene exhibits solvent inclusion properties as characterized by single-crystal X-ray structures. The present study explores the inclusion of ethyl acetate (EtOAc) and acetonitrile (CH3CN) and the supramolecular assemblies with different features in the solid state. Copillar[5]arene 1 shows inclination to form dimers in both EtOAc and CH3CN. While ethyl acetate-occupied macrocycles give 2D arrangement involving π–π interaction, acetonitrile-occupied macrocycles follow π–π, C−H⋅⋅⋅π, and H-bond interactions in 2D arrangement and create a rhombus-shaped molecular channel with a diameter of ~5.5 Å in 3D packing. Compound 1 shows good photophysical behavior and aggregation. It acts as a chromogenic sensor for the selective recognition of sulfide (S2−) over a series of other anions in both organic and aqueous-organic solvents. The detection limit for S2− is determined to be 3.81×10−7 M.

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来源期刊
Chemistry - An Asian Journal
Chemistry - An Asian Journal 化学-化学综合
CiteScore
7.00
自引率
2.40%
发文量
535
审稿时长
1.3 months
期刊介绍: Chemistry—An Asian Journal is an international high-impact journal for chemistry in its broadest sense. The journal covers all aspects of chemistry from biochemistry through organic and inorganic chemistry to physical chemistry, including interdisciplinary topics. Chemistry—An Asian Journal publishes Full Papers, Communications, and Focus Reviews. A professional editorial team headed by Dr. Theresa Kueckmann and an Editorial Board (headed by Professor Susumu Kitagawa) ensure the highest quality of the peer-review process, the contents and the production of the journal. Chemistry—An Asian Journal is published on behalf of the Asian Chemical Editorial Society (ACES), an association of numerous Asian chemical societies, and supported by the Gesellschaft Deutscher Chemiker (GDCh, German Chemical Society), ChemPubSoc Europe, and the Federation of Asian Chemical Societies (FACS).
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