Abstract

The syntheses of four four-coordinate zinc(II) complexes, ▪ (Ar 1 = 7-(2,4-Me 2)C 9H 4N, Ar 2 = C 6H 4 ( 2a); Ar 1 = 7-(2,4-Me 2)C 9H 4N, Ar 2 = 3,5- t Bu 2C 6H 2 ( 2b); Ar 1 = 7-(2,4-Me 2)C 9H 4N, Ar 2 = 5-BrC 6H 3 ( 2c); Ar 1 = 7-(2,4-Me 2)C 9H 4N, Ar 2 = 3,5-Br 2C 6H 2 ( 2d)) are described. Complexes 2a– 2d were synthesized by the reaction of ZnEt 2 with 2 equiv. of the corresponding ligand. Ligands 1a– 1d and the corresponding zinc(II) complexes 2a– 2d were characterized by elemental analysis, IR, 1H and 13C NMR spectroscopy. The molecular structure of complex 2b was determined by single crystal X-ray crystallography. Luminescent properties of the ligands 1a– 1d and complexes 2a– 2d in both solution and the solid state were studied.

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