Lindqvist型多酸-苯胺杂化固体的合成及光谱法检测维生素C

doi:10.7517/issn.1674-0475.180802

影像科学与光化学 ›› 2018, Vol. 36 ›› Issue (6): 514-521.DOI: 10.7517/issn.1674-0475.180802

Lindqvist型多酸-苯胺杂化固体的合成及光谱法检测维生素C

张玉才¹, 陈红曼¹, 邓人攀², 燕音¹, 苗志伟^1,3

1. 喀什大学化学与环境科学学院, 新疆喀什 844006;
2. 石河子大学化学化工学院新疆兵团化学工程绿色加工重点实验室, 新疆石河子 832003;
3. 南开大学化学学院元素有机化学研究所, 天津 300071

收稿日期:2018-08-02 修回日期:2018-09-30 出版日期:2018-11-15 发布日期:2018-11-15
通讯作者: 邓人攀, 燕音
基金资助:
新疆维吾尔自治区自然科学基金（2016D01A016）资助

Synthesis and Spectrometric Detection of Lindqvist Acid and Aniline Hybrid Solid

ZHANG Yucai¹, CHEN Hongman¹, DENG Renpan², YAN Yin¹, MIAO Zhiwei^1,3

1. College of Chemistry and Environmental Science, Kashgar University, Kashgar 844006, Xinjiang, P. R. China;
2. School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi 832003, Xinjiang, P. R. China;
3. Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China

Received:2018-08-02 Revised:2018-09-30 Online:2018-11-15 Published:2018-11-15

摘要/Abstract

摘要： 以Lindqvist型六钼多酸为无机组分、苯胺为有机组分，采用二环己基碳二亚胺（DCC）脱水法合成了共价键结合的六钼多酸苯胺杂化固体，采用核磁共振谱（¹HNMR和¹³CNMR）、红外光谱（IR）、紫外-可见光谱（UV-Vis）对产物进行了光谱分析。结果显示，与苯胺相比，杂化物UV-Vis光谱发生了较大程度的红移（37 nm），表明Mo与N之间形成了叁键结构，增强了体系的共轭效应。红外光谱表明杂化物仍保持Lindqvist型多酸的结构。通过紫外-可见光谱法检测不同浓度的维生素C，发现杂化物溶液多次循环后吸光度没有明显的改变，表明紫外可见探针可循环使用。

关键词: Lindqvist型多酸, 苯胺, 杂化固体, 红移, 紫外可见探针

Abstract: Using Lindqvist hexamolybdate as an inorganic composite and aniline as an organic composite, a covalently linked hexamolybdopolyacid-aniline hybrid solid was synthesized by dehydration method with dicyclohexyl carbodiimide. The compound was characterized by ¹HNMR,¹³CNMR, IR and UV-Vis spectroscopy. The UV-Vis spectra of the compound showed that the apparent red-shifted band (about 37 nm) was observed compared with aniline, which confirmed that the triple bond formed between Mo and N, and further increased the conjugation of the system. IR spectra displayed that the compound kept the basic structure of Lindqvist polyacid. UV-Vis spectroscopy was used to detect different concentrations of Vitamin C. It was found that the absorbance of the hybrid solution didn't change significantly after repeated cycles, indicating that the UV-visible probe can be recycled.

Key words: Lindqvist polyacid, aniline, hybrid solid, red-shifted, UV-visible probe

张玉才, 陈红曼, 邓人攀, 燕音, 苗志伟. Lindqvist型多酸-苯胺杂化固体的合成及光谱法检测维生素C[J]. 影像科学与光化学, 2018, 36(6): 514-521.

ZHANG Yucai, CHEN Hongman, DENG Renpan, YAN Yin, MIAO Zhiwei. Synthesis and Spectrometric Detection of Lindqvist Acid and Aniline Hybrid Solid[J]. Imaging Science and Photochemistry, 2018, 36(6): 514-521.

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Lindqvist型多酸-苯胺杂化固体的合成及光谱法检测维生素C

Synthesis and Spectrometric Detection of Lindqvist Acid and Aniline Hybrid Solid

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