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Issue 24, 2018
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Construction of a new binding manner in carboxylic acid-functionalized phosphomolybdates

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Abstract

Carboxylic acid-functionalized polyoxomolybdates have been widely reported. In this study, we tried to establish a new connection pattern between an organic carboxylic acid ligand and inorganic phosphomolybdates by employing N-containing pyridine dicarboxylic acids and two other benzene dicarboxylic acids. Herein, four kinds of organic–inorganic hybrids have been synthesized. Studies reveal that these compounds are dimers, trimer or hexamer, displaying the templating effect of different carboxylic acids. In compound 2, besides the normal C–O–Mo bonds, a new binding manner of C–N–Mo bonds was presented as a linker to connect the organic and inorganic portions, and the polyanion demonstrated the conformation of a hexamer. Moreover, the photochromic properties of these compounds were studied, and the kinetics of the coloration process was analyzed and compared. It seems that based on the aromaticity of their organic ligands, the t1/2 values of the four compounds are much less than those of the compounds functionalized by aliphatic acids.

Graphical abstract: Construction of a new binding manner in carboxylic acid-functionalized phosphomolybdates

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Publication details

The article was received on 18 Apr 2018, accepted on 11 May 2018 and first published on 14 May 2018


Article type: Paper
DOI: 10.1039/C8DT01540F
Citation: Dalton Trans., 2018,47, 7949-7955
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    Construction of a new binding manner in carboxylic acid-functionalized phosphomolybdates

    J. Wang, W. Shi, S. Li, Q. Mao, P. Ma, J. Niu and J. Wang, Dalton Trans., 2018, 47, 7949
    DOI: 10.1039/C8DT01540F

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