Synthesis and characterization of ( L- proline ) amino acid with (Mn+2 , Fe+2 , Co+2 , Zn+2 and Cd+2 )

Hashim Alnoor, Taghreed; Hassan Ghanim, Faeeza; Salman Kindeel, Aliea

	Synthesis and characterization of ( L- proline ) amino acid with (Mn+2 , Fe+2 , Co+2 , Zn+2 and Cd+2 )
Journal of Research Diyala humanity
Article 1, Volume 0, Issue 42, 2017, Pages 76-86
Authors
taghreed hashim alnoor; faeeza hassan ghanim; aliea salman kindeel
Abstract
Thise paper includes the synthesis and characterization of the complexes of the amino acid (L-proline) = C5H9NO2) symbolized (proH)-with some metal . The ligand and metal ions were brought into reaction in ethanolic medium using (1:2) metal : ligand molar ratios as required. Products were found to be solid crystalline complexes, which have been Characterized through the following techniques : Melting points, Solubility, Molar conductivity. Determination the percentage of the metal in the complexes by (AAS). chloride ion content were also evolution by (mhor method) . Spectroscopic Methods (FT-IR and UV-Vis), and. The proposed structure of the complexes using program , chem office 3D(2004) . from the results obtained the following general formula have been given for the prepared complexes . pro - C5H8NO2 , M+2 =[Mn+2 , Fe+2 ,Co+2 , Zn+2 and Cd+2 ] [M(PrO)2] Where The results showed that the deprotonated ligand (Proline acid) to (Prolinateate ion) (Pro-) by using (NaOH) coordinated to metal ions as bidentate ligand through the nitrogen atom of the imine group(N-h) and the oxygen atom of the carboxylate group (-COO-).
Keywords
Allikanda complexes; melting point; electrical conductivity molar solubility estimate the percentage of metal ion; lproline

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