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A 12-fold ThSi2 interpenetrated network utilizing a glycine-based pseudopeptidic ligand

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Article number47
<mark>Journal publication date</mark>18/01/2018
<mark>Journal</mark>Crystals
Issue number1
Volume8
Number of pages14
Publication StatusPublished
<mark>Original language</mark>English

Abstract

We report the synthesis and characterization of a 3D Cu(II) coordination polymer, [Cu3 (L1)2 (H2 O)8 ]·8H2 O (1), with the use of a glycine-based tripodal pseudopeptidic ligand (H3 L1 = 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 H3 L1 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 %.