Spectrophotometric Study of Complexation of Tri-Aza Dibenzosulfide and Dibenzosulfoxide Macrocyclic Compounds with Heavy Metal Ions

作者: Shahla Mozaffari , Marzieh Chaloosi , Faten Divsar , Ebrahim Abouzari-Lotf , Samad T Bavili

DOI: 10.1080/10426500701501441

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摘要: The complexation reactions between 7,10,13-triaza-1-thia-4,16-dioxa-20,24-dimethyl-2,3;17,18-dibenzo-cyclooctadecane-6,14-dione ( TTD ) and 7,10,13-triaza-1-sulfoxo-4,16-dioxa-20,24-dimethyl-2,3;17,18-dibenzo-cyclooctadecane-6,14-dione TSD macrocycles with Ag+, Cd2+, Cu2+, Pb2+, Sr2+, Tl+, Zn2+ ions have been studied in ethanol methanol solutions at 25°C. complexes formed these metals cations had a stiochiometry of 1:1 1:2, respectively. stability constants the resulting were determined found to decrease order Cu2+ > Ag+ Tl+ Cd2+ Pb2+ Sr2+ macrocycle ).

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