An exploration of ferrocenyl ureas as enantioselective electrochemical sensors for chiral carboxylate anions

被引:68
作者
Willener, Yasmine [2 ]
Joly, Kevin A. [1 ]
Moody, Christopher J. [1 ]
Tucker, James H. R. [2 ]
机构
[1] Univ Nottingham, Sch Chem, Nottingham NG7 2RD, England
[2] Univ Birmingham, Sch Chem, Birmingham B15 2TT, W Midlands, England
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1021/jo701809b
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The syntheses of a series of chiral ureas containing the redox-active ferrocene group are described. Each of these bind chiral carboxylates in organic solvents through hydrogen-bonding interactions, as evidenced by spectroscopic and cyclic voltammetry measurements, the latter allowing these guests to be electrochemically sensed in solution. The enantioselectivity in the complexation of the protected amino acid N-benzenesulfonylproline by a ferrocenylbenzyl host is high enough to allow opposite enantiomers to be distinguished by electrochemical means.
引用
收藏
页码:1225 / 1233
页数:9
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