Synthesis and metal-ion binding properties of new N2S4O2- and N2S5O2-donor macrocycles

被引：4

作者：

Kantekin, Halit ^{[1
]}

Bakaray, Asiye ^{[1
]}

Ocak, Mirac ^{[1
]}

Alp, Hakan ^{[1
]}

Ocak, Uemmuehan ^{[1
]}

机构：

[1] Karadeniz Tech Univ, Dept Chem, Fac Arts & Sci, TR-61080 Trabzon, Turkey

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 2007年 / 42卷 / 14期

关键词：

extraction constant; solvent extraction; mixed-donor macrocycle; macrocyclic complex; transition metal ion;

D O I：

10.1080/01496390701513396

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Synthetic procedures for new mixed-donor macrocycle compounds were reported. The macrocyclic compounds were used in solvent extraction metal picrates such as Ag+, Hg2+, Cd2+, Zn2+, Cu2+, Ni2+, Mn2+, Pb2+, and Co2+. The metal picrate extractions were investigated at 25 +/- 0.18 degrees C with the aid of UV-visible spectrometry. It was found that 6,7,9,10,12,13,23,24-octahydro-19H,26Hdibenzo[ h,t](1,4,7,13,16,22,10,19) dioxatetrathiadiazasiclotetracosine-20,27(21H,28H)dione showed selectivity towards Ag+, Hg2+, and Cd2+ among the other metals. The extraction constants (Log K-ex) and complex compositions were determined for the Ag+ and Hg2+ complexes for this compound and 9,10,12,13,23,24,26,27,29,30-decahydro-5H,15H-dibenzo-[h,w][1,4,7,13,16,19,25-,10,22] dioxapentathiadiazacycloheptacosine-6,16(7H,17H)-dione.

引用

页码：3243 / 3257

页数：15

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