Bazı karboksilik asitlerden elde edilen proton transfer tuzlarının ve Cu (II) komplekslerinin sentezi ve karakterizasyonu

Öz

Bu çalışmada 2-amino-3-metilpiridinin (amp), 1,4-pirazin-2,3-dikarboksilik asit (H₂pyzdc) ve tiyoglikolik asit (Htga) ile reaksiyonundan sırasıyla proton transfer tuzları (Hamp)⁺(Hpyzdc)^- (1)  ve (Hamp)⁺(tga)^- (2) elde edilmiştir. Daha sonra elde edilen tuzların (1 ve 2)  Cu(CH₃COO)₂.2H₂O ile reaksiyonundan ise metal kompleksleri  (Hamp)₂[Cu₃(pyzdc)₄(H₂O)₆].8H₂O (3) ve (Hamp)₂[Cu(tga)₂(H₂O)₂].2H₂O (4)  sentezlenmiştir.  Tuzların yapıları ¹H ve ¹³C-NMR, FT-IR ve UV-Vis  spekroskopileri ve elementel analiz yöntemleri  ile aydınlatılmıştır. Tek kristali elde edilemeyen komplekslerin yapıları ise FT-IR, UV-Vis, ICP-OES, manyetik duyarlılık ve elementel analiz tekniklerinden elde edilen sonuçların değerlendirilmesiyle önerilmiştir.

Anahtar Kelimeler

• Piridin,dikarboksilik asit,NMR

Synthesis and characterization of proton transfer salts and Cu(II) complexes derived from some carboxylic acids

Öz

In this study  the proton transfer salts (Hamp)⁺(Hpyzdc)^- (1)  and (Hamp)⁺(tga)^- (2) have been obtained from the reaction of 2-amino-3-methylpyridine (amp) with 1,4-pyrazine-2,3-dicarboxylic acid (H₂pyzdc) and thioglycolic acid (Htga), respectively. Subsequent reaction of the salts (1 and 2) with [Cu(CH₃COO)]₂.2H₂O leads to the formation of metal complexes (Hamp)₂[Cu₃(pyzdc)₄(H₂O)₆].8H₂O (3) and (Hamp)₂[Cu(tga)₂(H₂O)₂].2H₂O (4). The structures of salts were characterized by  ¹H and  ¹³C-NMR, FT-IR and UV-Vis spectra and elemental analysis methods.  The structures of complexes which cannot obtain single crystals have been proposed by evaluating the results obtained from FT-IR, UV-Vis, ICP-OES, magnetic susceptibility and elemental analysis techniques.

Anahtar Kelimeler

• Pyridine,dicarboxylic acid,NMR

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