Abstract Aromatic diamides, derivative of 2,6-pyridinedicarboxylic acid and isophthalic acid, bearing 1,3,4-thiadiazole residue were prepared with satisfactory yields in conventional procedures and microwave stimulated reactions. X-ray structure of N,N′-bis(1,3,4-thiadiazol-2-yl)-2,6-pyridinedicarboxamide (2)… Click to show full abstract
Abstract Aromatic diamides, derivative of 2,6-pyridinedicarboxylic acid and isophthalic acid, bearing 1,3,4-thiadiazole residue were prepared with satisfactory yields in conventional procedures and microwave stimulated reactions. X-ray structure of N,N′-bis(1,3,4-thiadiazol-2-yl)-2,6-pyridinedicarboxamide (2) DMSO solvate (2·DMSO) was described. Selective zinc(II), lanthanum(III), terbium(III) and l -tyrosine recognition was found for N,N′-bis(1,3,4-thiadiazol-2-yl)-2,6-pyridinedicarboxamide in DMSO and its mixture with water. The IDA (Indicator Displacement Assay) system for metal cations sensing was proposed. The binding properties of 2 were compared with newly synthesized N,N′-bis(1,3,4-thiadiazol-2-yl)-1,3-benzenedicarboxamide 1.
               
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