Pressure-Dependent Pseudo-Polymorphism of Polymeric {[Cu2(TBA)]·2H2O}n and Dinuclear [Cu2(TBA)(H2O)2]·2H2O Complexes Based on in Situ Tetramerization of DMBA
Abstract:Two new pressure-dependent pseudo-polymorphism complexes, a 2D polymeric {[Cu 2 (TBA)]•2H 2 O} n (1) and a dinuclear [Cu 2 (TBA)(H 2 O) 2 ]•2H 2 O (2), were successfully obtained and demonstrated to possess weak antiferromagnetic properties. The synthesis has been achieved through a novel onepot reaction where four DMBA (DMBA = 1,3-dimethyl-barbitiric acid) molecules tetramerized in situ with EtOH to give (TBA) 4− (H 4 TBA = 1,1′,2,2′-tetra-barbiturate-ethene) ligand. This unprecedented tetramerization involve… Show more
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