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A 12-Fold ThSi2 Interpenetrated Network Utilizing a Glycine-Based Pseudopeptidic Ligand
Department of Chemistry, School of Life Sciences, University of Sussex, Brighton BN1 9QJ, UK
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Crystals 2018, 8(1), 47; https://doi.org/10.3390/cryst8010047
Received: 21 November 2017 / Revised: 4 January 2018 / Accepted: 15 January 2018 / Published: 18 January 2018
(This article belongs to the Special Issue Structural Design and Properties of Coordination Polymers)
We report the synthesis and characterization of a 3D Cu(II) coordination polymer, [Cu3(L1)2(H2O)8]·8H2O (1), with the use of a glycine-based tripodal pseudopeptidic ligand (H3L1 = N,N′,N″-tris(carboxymethyl)-1,3,5-benzenetricarboxamide or trimesoyl-tris-glycine). This compound presents the first example of a 12-fold interpenetrated ThSi2 (ths) net. We attempt to justify the unique topology of 1 through a systematic comparison of the synthetic parameters in all reported structures with H3L1 and similar tripodal pseudopeptidic ligands. We additionally explore the catalytic potential of 1 in the A3 coupling reaction for the synthesis of propargylamines. The compound acts as a very good heterogeneous catalyst with yields up to 99% and loadings as low as 3 mol %.
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Keywords:
coordination polymer; copper; interpenetration; 12-fold; catalysis; A3 coupling
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Loukopoulos, E.; Michail, A.; Kostakis, G.E. A 12-Fold ThSi2 Interpenetrated Network Utilizing a Glycine-Based Pseudopeptidic Ligand. Crystals 2018, 8, 47.
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