Kim D, Yoo H, Kim K, Kim D, Kim KT, Kim C, Kim JY, Moon HR, Kim M. Post-synthetic ligand cyclization in metal-organic frameworks through functional group connection with regioisomerism.
Chem Commun (Camb) 2022;
58:5948-5951. [PMID:
35415736 DOI:
10.1039/d2cc01031c]
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Abstract
A covalent connection between two orthogonal functional groups (-NH2 and -OH) in metal-organic frameworks (MOFs) has been developed. This post-synthetic ligand cyclization (PSLC) was successfully demonstrated to synthesize a benzoxazole-functionalized MOF from a Zr-based UiO-66-2,3-(NH2)(OH) under microwave irradiation. In contrast, the regioisomeric UiO-66-2,5-(NH2)(OH) only produces a non-cyclized formamide-functionalized MOF.
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