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Synthesis of phosphonosulfonic acid building blocks as linkers for coordination polymers

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Abstract

Ten aromatic building blocks (8–11, 23–28) containing phosphonic and sulfonic acid groups within one molecule were synthesized. Twofold nucleophilic substitution starting from 1,2,4,5-tetrakis(bromomethyl)benzene (1) followed by hydrolysis gave building blocks 8–11. To obtain building blocks 23–28, the respective bromobenzenesulfonic acids 13, 16, 18–20 and 22 had to be synthesized first. Palladium-catalysed cross coupling with triethylphosphite followed by hydrolysis gave the desired building blocks with phosphonic and sulfonic acid groups. Building block 9 was successfully used as a linker for the synthesis of a new La-based CP with the composition [La2(H2L)1.5(H2O)4].

Graphical abstract: Synthesis of phosphonosulfonic acid building blocks as linkers for coordination polymers

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Publication details

The article was received on 16 May 2017, accepted on 12 Jul 2017 and first published on 13 Jul 2017


Article type: Paper
DOI: 10.1039/C7NJ01697B
Citation: New J. Chem., 2017, Advance Article
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    Synthesis of phosphonosulfonic acid building blocks as linkers for coordination polymers

    O. Beyer, T. Homburg, M. Albat, N. Stock and U. Lüning, New J. Chem., 2017, Advance Article , DOI: 10.1039/C7NJ01697B

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