Thu, 26 Apr 2018

Synthesis, Characterization Spectrafluorometric Studies and Catalytic Activity of Water Soluble Cysteine Co (II) and Ni (II) Metal complexes

G.M.Mir1, Nazir Ahmad Wani2, ImtiyazRasool Parrey1, Mukhtar Ahmad Wani1

1 Govt. Degree College for Womens Anantnag Jammu and Kashmir (India)

2.Govt. Degree College Boys Anantnag Jammu and Kashmir (India)


ABSTRACT

The Complexes of Co (II) and Ni (II) with amino acid cysteine were synthesized and characterized by FT-IR and spectrafluorometric Studies. The FT-IR spectra shows some new band which confirms that the complex is formed. The spectrafluorometric study of amino acid metal complexes shows that excitation wave length decrease with decrease in the polarity of medium. The amino acid nickel (II) complex exhibits a strong fluorescence emission at 340 nm in water medium. This may be tentatively assigned to the ligand to metal charge transfer (LMCT). In these complexes the amino acid coordinated to 1:2 with metal and they exhibits octahedral geometry. The catalytic activities of these complexes were studied in olefins using eco-friendly nontoxic molecular oxygen as oxidant.

Keywords:  Amino acid, Metal Complexes, Cysteine,Spectrafluorometric, Molecular Oxygen


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