Pair of chiral 2D silver(i) enantiomers: chiral recognition of l- and d-histidine via differential pulse voltammetry

被引:10
|
作者
Kim, Dongwon [1 ]
Seo, Kyeong-Deok [1 ]
Shim, Yoon-Bo [1 ]
Lee, Kyungsuh [1 ]
Lee, Sang Hak [1 ]
Lee, Young-A [2 ]
Jung, Ok-Sang [1 ]
机构
[1] Pusan Natl Univ, Dept Chem, Busan 46241, South Korea
[2] Jeonbuk Natl Univ, Dept Chem, Jeonju 54896, South Korea
基金
新加坡国家研究基金会;
关键词
ELECTROANALYSIS; DISCRIMINATION; POLLUTANTS; LIGAND;
D O I
10.1039/d1dt03371a
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Self-assembly of AgPF6 with a pair of chiral tridentate ligands (1S,1 ' S,1 '' S,2R,2 ' R,2 '' R) and (1R,1 ' R,1 '' R,2S,2 ' S,2 '' S)-(benzenetricarbonyltris(azanediyl))tris(2,3-dihydro-1H-indene-2,1-diyl)triisonicotinate (s,r-L) and (r,s-L) in a mixture of methanol and dioxane yields 2D sheets consisting of [Ag(s,r-L)](PF6)center dot 3C(4)H(8)O(2)center dot 0.5H(2)O and [Ag(r,s-L)](PF6)center dot 3C(4)H(8)O(2)center dot 0.5H(2)O, respectively. The differential pulse voltammetric (DPV) technique using the pair of chiral 2D-sheet enantiomers was employed for chiral discrimination of amino acid enantiomers, and was found to be an effective tool for enantio-recognition of l- and d-histidines. Both the size and the binding site of amino acids were strongly dependent on electrochemical enantio-recognition via the chiral 2D sheets.
引用
收藏
页码:6046 / 6052
页数:7
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