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Solvent Extraction of Ag(I) and Cu(II) with New Macrocyclic Schiff Bases
Author(s) -
Kedy Souad,
Kandil Farouk,
Almhdeem
Publication year - 2012
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.201100465
Subject(s) - chemistry , chloroform , picrate , dichloromethane , ethylamine , ethylenedioxy , solvent , schiff base , aqueous solution , aqueous two phase system , extraction (chemistry) , metal , picric acid , medicinal chemistry , nuclear chemistry , polymer chemistry , organic chemistry , ion , alkyl
Abstract Two new macrocyclic Schiff bases (II) and (III) containing nitrogen ‐ oxygen donor atoms were synthesized by reaction between diethylene triamine or 2,2′‐(ethylenedioxy)bis(ethylamine) and the intermediate compound: 1,4‐bis(6‐methoxy‐2‐formylphenyl)‐1,4‐dioxabutane (I). Identification of these macrocyclic Schiff bases: 1,12, 15,18, 29,32 ‐ hexaaza ‐ [3,4;8,9;20,21;26,27‐tetra‐(6′‐methoxyphenyl)]‐5,8,22,25‐tetraoxa cyclo tetratriacosine‐1,11,18,28‐tetraene. (II) 1,12,21,32‐tetraaza‐[3,4;9,10;23,24;29, 30‐tetra‐(6′‐methoxyphenyl)]‐5,8,15,18,25,28,35,38‐octaoxa cyclo ‐ tetracontane‐1,11,21,31‐tetraene. (III) were determined by elemental analysis (LC‐MS), (IR) and ( 1 H and 13 C‐NMR) spectroscopy. The liquid‐liquid extraction of metal picrates such as Ag + and Cu 2+ from aqueous phase to organic phase was carried out using these ligands. The effect of chloroform and dichloromethane as organic solvents over the metal picrate extractions were investigated at 25 ± 0.1 °C by using atomic absorption spectrometer.