Sweet Anion Receptors: Recognition of Chiral Carboxylate Anions by <scp>d</scp>-Glucuronic-Acid-Decorated Diindolylmethane
作者:Jarosław M. Granda、Janusz Jurczak
DOI:10.1021/ol402074u
日期:2013.9.20
Anionreceptors containing glucuronic acid were synthesized, and their anion binding ability studied. Chirality of anionic guests derived from mandelic acid and amino acids can be distinguished not only in terms of stability constants but also by significant differences in chemical shift changes for sugar moiety protons.
Enantioselective Fluorescent Sensors for N-Boc-Protected Amino Acid Anions Based on BINOL
作者:Kuoxi Xu、Zhanwei Bu、Kejing Huang、Jin Zhao、Chaojie Wang
DOI:10.1002/cjoc.201090150
日期:——
four novel derivatives of BINOL have been prepared and the structures of these compounds characterized by IR, MS, 1H and 13C NMR spectroscopy and elemental analysis. The enantioselective recognition of these receptors has been studied by fluorescence titration and 1H NMR spectroscopy. The receptors exhibited different chiralrecognition abilities towards N‐Boc‐protected amino acid anions and formed
制备了BINOL的四种新型衍生物,并通过IR,MS,1 H和13 C NMR光谱学和元素分析表征了这些化合物的结构。通过荧光滴定和1 H NMR光谱研究了这些受体的对映选择性识别。受体对N -Boc保护的氨基酸阴离子表现出不同的手性识别能力,并在宿主和客体之间形成1:1的络合物。受体小号朝向氨基酸衍生物表现出优异的对映选择性荧光识别能力。
Enantioselective fluorescent sensors for amino acid derivatives based on BINOL bearing benzoyl unit
作者:Kuo-xi Xu、Zhen Qiu、Jin-Jin Zhao、Jin Zhao、Chao-jie Wang
DOI:10.1016/j.tetasy.2009.06.016
日期:2009.7
The derivatives of BINOL, (S)-1 and (R)-1, and their analogues have been prepared and the structures of these compounds have been characterized by IR, MS, 1H, and 13C NMR spectroscopy and elemental analysis. The enantioselective recognition of these receptors has been studied by fluorescence titration and 1H NMR spectroscopy. The receptors exhibited different chiral recognition abilities toward some
BINOL的衍生物,(小号)-1和(- [R )- 1,和它们的类似物已被制备,并且这些化合物的结构已经通过IR,MS,1 H和13 C NMR光谱和元素分析。通过荧光滴定和1 H NMR光谱研究了这些受体的对映选择性识别。受体对手性物质的一些对映异构体表现出不同的手性识别能力,并在宿主和客体之间形成1:1的复合物。受体(S)-1或(R)-1 对氨基酸衍生物具有出色的对映选择性荧光识别能力。
Synthesis and enantiomeric recognition studies of a novel 5,5-dioxophenothiazine-1,9 bis(thiourea) containing glucopyranosyl groups
A novel optically active 5,5-dioxophenothiazine-1,9 bis(thiourea) containing glucopyranosyl groups was synthesized and its enantiomeric recognition properties were examined towards the enantiomers of tetrabutylammonium salts of chiral alpha-hydroxy and N-protected alpha-amino acids using UV-vis spectroscopy. (C) 2012 Elsevier Ltd. All rights reserved.
Influence of the size and geometry of the anion binding pocket of sugar–urea anion receptors on chiral recognition
作者:Paulina Hamankiewicz、Jarosław M. Granda、Janusz Jurczak
DOI:10.1016/j.tetlet.2013.08.019
日期:2013.10
Three new chiral urea-type anion receptors were synthesized from aromatic diamines and 1-amino-1-deoxyglucose. The anion binding properties of these receptors were studied using chiral carboxylates derived from mandelic acid and three a-amino acids. We found that the size of the anion binding pocket played an important role in chiral recognition processes. The best results were obtained for 1,8-diaminoanthracene and a-amino acid anions. (C) 2013 Elsevier Ltd. All rights reserved.