Tetrazine-Based Metal-Organic Frameworks as Scaffolds for Post-Synthetic Modification by the Click Reaction

Madhan Vinu*, Kulandaivel Sivasankar, Samikannu Prabu, Jeng Liang Han, Chia Her Lin, Chun Chuen Yang, Jan Demel

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

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 m2 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 (H2TzDB). Moreover, because of the π-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.

Original languageEnglish
Pages (from-to)461-466
Number of pages6
JournalEuropean Journal of Inorganic Chemistry
Volume2020
Issue number5
DOIs
Publication statusPublished - 2020 Feb 7
Externally publishedYes

Keywords

  • Click chemistry
  • Functional groups
  • Metal-organic frameworks
  • Post-synthetic modification
  • Tetrazine

ASJC Scopus subject areas

  • Inorganic Chemistry

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