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Issue 19, 2017
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A folded [2 × 2] metallo-supramolecular grid from a bis-tridentate (1,2,3-triazol-4-yl)-picolinamide (tzpa) ligand

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Abstract

A flexible ditopic ligand 1 containing two N,N,O-tridentate (1,2,3-triazol-4-yl)-picolinamide chelating pockets is reported and the formation of multimetallic architectures is explored in the solid and the solution phase. The self-assembled ZnII complex [Zn4(1)4](ClO4)8 exhibited a folded [2 × 2] square grid supramolecular architecture that selectively assembled in MeCN solution as shown using various spectroscopic techniques. The closely related FeII complex shows equivalent behaviour in the solid state, while a discrete dinuclear species [Cu2(NO3)41]·5MeCN was the sole product observed in the solid state from the reaction between 1 and CuII under similar conditions.

Graphical abstract: A folded [2 × 2] metallo-supramolecular grid from a bis-tridentate (1,2,3-triazol-4-yl)-picolinamide (tzpa) ligand

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Publication details

The article was received on 27 Apr 2017, accepted on 27 Apr 2017 and first published on 27 Apr 2017


Article type: Paper
DOI: 10.1039/C7DT01533J
Citation: Dalton Trans., 2017,46, 6464-6472
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    A folded [2 × 2] metallo-supramolecular grid from a bis-tridentate (1,2,3-triazol-4-yl)-picolinamide (tzpa) ligand

    D. E. Barry, C. S. Hawes, J. P. Byrne, B. la Cour Poulsen, M. Ruether, J. E. O'Brien and T. Gunnlaugsson, Dalton Trans., 2017, 46, 6464
    DOI: 10.1039/C7DT01533J

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