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Issue 9, 2014
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Synthesis, structure, luminescence and catalytic properties of cadmium(II) coordination polymers with 9H-carbazole-2,7-dicarboxylic acid

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Abstract

Two Cd(II) metal–organic frameworks were synthesized from the NH-functionalized dicarboxylate ligand 9H-carbazole-2,7-dicarboxylic acid (2,7-H2CDC). Compound 1, [Cd4(CDC)4(DMF)4]·4DMF·4H2O, displays 2D square grid networks based on novel tetranuclear [Cd4(COO)8] secondary building units (SBUs) and pairwise CDC2− linkers. Compound 2, (H3O)2[Cd3(2,7-CDC)4]·3DMF·4H2O, is also based on 4-connected SBUs and pairwise CDC linkers, but the unusual trinuclear [Cd3(COO)8] SBUs lead to 2-fold interpenetrated 3D diamond-type frameworks with guest accessible voids. Both compounds display strong blue fluorescence in the solid state, and compound 2 shows high catalytic activity for Knoevenagel condensation.

Graphical abstract: Synthesis, structure, luminescence and catalytic properties of cadmium(ii) coordination polymers with 9H-carbazole-2,7-dicarboxylic acid

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Publication details

The article was received on 04 Nov 2013, accepted on 16 Dec 2013 and first published on 16 Dec 2013


Article type: Paper
DOI: 10.1039/C3DT53109K
Citation: Dalton Trans., 2014,43, 3691-3697
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    Synthesis, structure, luminescence and catalytic properties of cadmium(II) coordination polymers with 9H-carbazole-2,7-dicarboxylic acid

    X. Yi, M. Huang, Y. Qi and E. Gao, Dalton Trans., 2014, 43, 3691
    DOI: 10.1039/C3DT53109K

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