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|Title:||Synthesis and antioxidant activities of some 4-benzylidenamino-4,5-dihydro- 1H-1,2,4-triazol-5-one derivatives|
Yüksek, M Ozgün
|Keywords:||Antioxidant activities;pKa values;1,2,4-triazol-5-ones|
|IPC Code:||Int.Cl.7 C 07 D|
|Abstract:||Eight 3-alkyl(aryl)-4-(3,4-dihydroxybenzylidenamino)-4,5-dihydro-1H-1,2,4-triazol-5-ones 2 having 4,5-dihydro-1H-1,2,4-triazol-5-one ring are synthesized by the reactions of 3-alkyl(aryl)-4-amino-4,5-dihydro-1H-1,2,4-triazol-5-ones 1 with 3,4-dihydroxy-benzaldehyde and their antioxidant activities are investigated. In addition, compounds 2b, 2f and 2h are titrated potentiometrically with tetrabutylammonium hydroxide in non-aqueous solvents and the half-neutralization potential values and the corresponding pKa values are determined. The structures of new compounds are established from spectral data.|
|Appears in Collections:||IJC-B Vol.45B(03) [March 2006]|
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