期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 2020, 期 5, 页码 461-466出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201901230
关键词
Tetrazine; Metal-organic frameworks; Functional groups; Post-synthetic modification; Click chemistry
资金
- Ministry of Science and Technology, Taiwan
- Chung Yuan Christian University
Metal-organic frameworks are one of the most active research fields today. Despite the progress in recent years, synthesis of highly porous structures bearing functional groups for specific applications remains a challenge. Here, we describe synthesis of Zr(IV) and Hf(IV)-based tetrazine containing metal-organic frameworks, ZrTz-68 and HfTz-68 with pore size of 2.1 nm, specific surface area up to 4217 m(2) g(-1), and a UiO-68 topology. The synthesis can be done on a multi-gram scale from inexpensive linker 4,4'-(1,2,4,5-tetrazine-3,6-diyl)dibenzoic acid (H(2)TzDB). Moreover, because of the pi-conjugated tetrazine groups these MOFs can be easily post-synthetically modified by a click reaction maintaining the crystallinity of the framework. Due to the diversity of clickable substituents, this strategy represents highly versatile tool for a wide range of applications.
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