Synthesis of a β-Ketoenamine-linked Chiral Covalent Organic Framework and Its Application in Capillary Gas Chromatography

doi:10.7503/cjcu20200206

Abstract

Abstract:

A new β-ketoenamine-linked chiral covalent organic framework(COF), namely TfpMth COF, was prepared by the reaction of 1,3,5-triformylphloroglucinol(Tfp) with (S)-2,5-bis(2-methylbutoxy)terephthalohydrazide(Mth). The obtained TfpMth COF powder was characterized by various techniques such as powder X-ray diffraction analysis, Fourier transform infrared spectrometer(FTIR), thermogravimetric analysis(TGA), nitrogen adsorption-desorption measurement and so on, indicating its virtue of good crystallinity, high porosity, and excellent thermostability. Thus, we used TfpMth COF as a new stationary phase to prepare the TfpMth COF-bound capillary column by an in situ growth method. A series of linear and branched alkanes and alcohols, as well as mixtures of benzene and cyclohexane, ethylbenzene and styrene can be separated using the TfpMth-bound capillary column. This result provides a new idea for the application of β-ketoenamine-linked COF in chromatographic separation, and also gives a reference for the study of novel gas chromatographic stationary phases.

Key words: Covalent organic framework, β-Ketoenamine-linked, Gas chromatography separation

CLC Number:

O657.7

TrendMD:

YAN Yilun, HUANG Xiaoling, FAN Jun, CAI Songliang, ZHENG Shengrun, ZHANG Weiguang. Synthesis of a β-Ketoenamine-linked Chiral Covalent Organic Framework and Its Application in Capillary Gas Chromatography[J]. Chem. J. Chinese Universities, 2020, 41(9): 1996.

Figures/Tables 8

References 17

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