A series of an oily Multi-N-Donor ligands including 2-((2-((pyridin-2-ylmethylene)amino)ethyl)amino)ethanol (PMAE), 2-(2-(pyridin-2-yl)oxazolidin-3-yl)-N-(pyridin-2-ylmethylene)ethanamine (POPME) and 2,9-di(pyridin-2-yl)-1,3,6-triazabicyclo[4.2.1]nonane (PACN) was synthesized in one-pot asymmetric reaction between 2-(2-amino-ethylamino)ethanol and pyridine-2-carbaldehyde in microwave. In this work, synthesis [Zn(PACN)Br2] (1), and [Hg(PACN)Cl2] (2) complexes which are characterized by elemental analysis, FT-IR and Raman spectroscopy and single-crystal X-ray diffraction. In the crystal structures of 1 and 2, the chiral PACN acts as N3-donor ligand and forms distorted square pyramidal geometry around the central atoms assisted by coordination of two halide ions. However the crystals contain a racemic mixture of R,R,S and S,S,R isomers in alternate layers. Addition to the hydrogen bonds, the network is more stabilized by π···π stacking interactions between parallel aromatic rings. Keywords: Synthesis; Nonane; Zinc bromide; Mercury chloride; X-Ray crystal structure

Synthesis and crystallographic study of zinc and mercury complexes with a three-N-donor asymmetric pyridine–amine ligand 2,9-di(pyridin-2-yl)-1,3,6-triazabicyclo[4.2.1]nonane

249th National Meeting (2015)

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