Bis{3-(2-amino-benzilimino)-pentan-2-on oksimato}kobalt(III) sakkarinat monohidrat kompleksinin sentezi, karakterizasyonu ve termal özellikleri

Bu çalışmada, Na(sac) (sac: sakkarinat) varlığında kobalt(II) klorür ile 1-(2-etil-1,2,3,4-tetrahidro-kinazolin-2-il)-etanon oksimin (HL) tepkimesinden [Co(HL')2](sac)·H2O kompleksi elde edildi.  Bu yeni kompleksin yapısal aydınlatması elementel analiz, spektroskopik yöntemler (UV-Vis., FT-IR, 1H-NMR, 13C-NMR ve LC-MS) ve teermal analiz yöntemleri (TG-DTA) ile gerçekleştirildi.  Elde edilen sonuçlar kompleks oluşumu sırasında ligandın halka açılma tepkimesine uğradığını ve zincir tautomerinin bir N,N,N-verici olarak davrandığını göstermektedir.   Co(III) iyonu ile iki HL' ligandının koordinasyonundan oluşan bu katyonik komplekste, sac anyonu tamamlayıcı iyon olarak koordinasyon küresinin dışında yer almaktadır.

Synthesis, characterisation and thermal properties of bis{3-(2-amino-benzylimino)-pentan-2-one oximato}cobalt(III) saccharinate monohydrate complex

In this work, [Co(HL')2](sac)·H2O was obtained from the reaction of cobalt(II) chloride with 1-(2-ethyl-1,2,3,4-tetrahydro-quinazolin-2-yl)-ethanone oxime (HL) within the presence of Na(sac) (sac: saccharinate). The new complex was characterized by elemental analysis, spectral methods (UV-Vis., FT-IR, 1H-NMR, 13C-NMR ve LC-MS) and thermal analysis (TG-DTA).  The obtained results show that the ligand undergoes a ring-opening reaction upon formation of the complex and the chain tautomer acts as  N,N,N-donor. The sac anion remains outside the coordination sphere as complementary ion in the cationic complex of the coordination of Co(III) ion and two HL' ligands.

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Balıkesir Üniversitesi Fen Bilimleri Enstitüsü Dergisi-Cover
  • ISSN: 1301-7985
  • Yayın Aralığı: Yılda 2 Sayı
  • Başlangıç: 1999
  • Yayıncı: Balıkesir Üniversitesi