Extraction of platinum from aqueous solution into chloroform using a 2-pyridylthio-N-oxide derivatized calix[4] arene as phase transfer reagent

被引:12
作者
Yordanov, AT [1 ]
Roundhill, DM [1 ]
机构
[1] TEXAS TECH UNIV,DEPT CHEM & BIOCHEM,LUBBOCK,TX 79409
关键词
platinum extraction; calix[4]arene compounds; pyridine-N-oxide compounds;
D O I
10.1016/S0020-1693(97)05633-8
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The compound 25,26,27,28-(2-(2-pyridylthio-N-oxide)ethoxy)calix[4] arene has been synthesized from 25,26,27,28-(2-bromo-ethoxy)calix[4] arene by reaction with 2-pyridylthiol-N-oxide in the presence of pyridine as base. The compound is one of the better modified calix[4] arene extractants for Pt(IV). (C) 1997 Elsevier Science S.A.
引用
收藏
页码:309 / 311
页数:3
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