含金属有机骨架后修饰希夫碱的合成、表征及水对其稳定性的影响

Inorganics (Basel) Pub Date : 2023-11-08 DOI:10.3390/inorganics11110432

Nikola D. Radnović, Chris S. Hawes, Branko B. Kordić, Milica G. Bogdanović, Berta Barta Holló, Mirjana M. Radanović, Dušan Đ. Škorić, Branislav D. Jović, Marko V. Rodić

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引用次数: 0

摘要

在本研究中，研究了含UiO-67族金属有机骨架(mof)的席夫碱的合成。以2-氨基-[1,1 ' -联苯]-4,4 ' -二羧酸和2,2 ' -二氨基-[1,1 ' -联苯]-4,4 ' -二羧酸为桥接配体，在温和的溶剂热条件下成功合成了具有游离胺基的mof，得到了胺基共价连接在桥接配体上的mof。这两种功能化MOFs都经过4-甲酰苯腈的合成修饰，生成亚胺。采用PXRD、TGA、DTA、BET、NMR、FTIR等方法对所得化合物进行了表征，并采用SEM、EDS、UV-VIS等方法对化合物在水中的稳定性进行了表征。

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Synthesis, Characterization, and Impact of Water on the Stability of Postmodified Schiff Base Containing Metal–Organic Frameworks

In this study, the synthesis of a Schiff base containing metal–organic frameworks (MOFs) of the UiO-67 family has been investigated. MOFs featuring free amine groups were successfully synthesized under mild solvothermal conditions using 2-amino-[1,1′-biphenyl]-4,4′-dicarboxylic acid and 2,2′-diamino-[1,1′-biphenyl]-4,4′-dicarboxylic acid as bridging ligands, resulting in MOFs with amine groups covalently linked to the bridging ligands. Both types of functionalized MOFs were post-synthetically modified with 4-formylbenzonitrile that resulted in imine formation. All the obtained compounds were characterized by PXRD, TGA, DTA, BET, NMR, and FTIR spectroscopy, while stability in water was monitored with SEM, EDS, and UV–VIS spectroscopy.

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Inorganics (Basel)

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