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A terbium-organic framework (Tb-MOF) was prepared using a previously reported procedure. Tb-MOF was characterized using Fourier transform infrared spectroscopy, scanning electron microscopy, powder X-ray diffraction and surface area analysis. Tb-MOF was employed as a heterogeneous Lewis acid catalyst for the synthesis of β-aminoalcohols. Also, the effect of ultrasonic irradiation was examined in the catalytic aminolysis of styrene oxide. The reaction conditions were optimized by variation of reaction time, catalyst concentration and solvent. A variety of β-aminoalcohols were synthesized and characterized. The Tb-MOF catalyst showed excellent selectivity and high yield for these transformations.

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This article describes the syntheses, crystal structures and theoretical calculations of six group IIB coordination compounds containing a 2-{[(2-meth­oxy­phen­yl)imino]­meth­yl}phenol ligand to provide further insight into the role of π-stacking and hydrogen bonding in metallo­supra­molecular assembly.