A highly selective receptor for zwitterionic proline

2016 ◽  
Vol 14 (4) ◽  
pp. 1325-1331 ◽  
Author(s):  
Álvaro G. Temprano ◽  
Laura M. Monleón ◽  
Omayra H. Rubio ◽  
Luis Simón Rubio ◽  
Asunción B. Pérez ◽  
...  
Keyword(s):  
Enantioselective Extraction

Enantioselective extraction of zwitterionic proline from water to chloroform has been achieved with a chiral apolar chromane receptor.

Equilibrium studies on enantioselective extraction of oxybutynin enantiomers by hydrophilic β-cyclodextrin derivatives

AIChE Journal ◽  
2011 ◽  
Vol 57 (11) ◽  
pp. 3027-3036 ◽  
Author(s):  
Kewen Tang ◽  
Panliang Zhang ◽  
Chunyue Pan ◽  
Hongjian Li
Keyword(s):  
Cyclodextrin Derivatives ◽  
Equilibrium Studies ◽  
Enantioselective Extraction

Efficient Enantioselective Extraction of Tris(diimine)ruthenium(II) Complexes by Chiral, Lipophilic TRISPHAT Anions

2000 ◽  
Vol 39 (20) ◽  
pp. 3695-3697 ◽  
Author(s):  
Jérôme Lacour ◽  
Catherine Goujon-Ginglinger ◽  
Sonya Torche-Haldimann ◽  
Jonathan J. Jodry
Keyword(s):  
Enantioselective Extraction

scholarly journals Enantioselective Extraction of Di-O-benzoyltartrate Anion by Ion-Pair Extractant Having Binaphthyl-Unit

1991 ◽  
Vol 64 (9) ◽  
pp. 2714-2719 ◽  
Author(s):  
Akira Ohki ◽  
Ryo Miyashita ◽  
Kensuke Naka ◽  
Shigeru Maeda
Keyword(s):  
Ion Pair ◽  
Enantioselective Extraction

Enantioselective extraction of hydrophilic 2-chloromandelic acid enantiomers by hydroxypropyl-β-cyclodextrin: experiments and modeling

2013 ◽  
Vol 67 (2) ◽  
Author(s):  
Cong-Shan Zhou ◽  
Ping Xu ◽  
Ke-Wen Tang ◽  
Xin-Yu Jiang ◽  
Tao Yang ◽  
...  
Keyword(s):  
Aqueous Phase ◽  
Extraction Efficiency ◽  
Reactive Extraction ◽  
Phase Reaction ◽  
Important Process ◽  
Process Variables ◽  
Model Data ◽  
Cyclodextrin Derivatives ◽  
Enantioselective Extraction ◽  
Extraction Model

AbstractEnantioselective extraction of hydrophilic 2-chloromandelic acid (CMA) enantiomers from organic to aqueous phase with hydroxypropyl-β-cyclodextrin (HP-β-CD) as the selector was investigated. Equilibrium of the extraction system was modeled using a reactive extraction model with a homogeneous aqueous phase reaction. The influence of important process variables on the extraction efficiency, such as the type of the organic solvent and β-cyclodextrin derivatives (β-CDs), concentration of the selector, pH and temperature, was investigated by experiment and modeling. Important parameters of this model were determined experimentally. Results showed that the experimental data agree with the model prediction perfectly and the model was further applied to accurately predict the extraction efficiency influenced simultaneously by pH and the concentration of HP-β-CD. Combining the experiment and the model data, the best extraction conditions were: pH of 2.5, HP-β-CD concentration of 0.05 mol L−1, and temperature of 5°C, providing the enantioselectivity of 1.285 and the performance factor (pf) of 0.011.

A molecular receptor selective for zwitterionic alanine

2017 ◽  
Vol 15 (2) ◽  
pp. 477-485 ◽  
Author(s):  
Omayra H. Rubio ◽  
Rachid Taouil ◽  
Francisco M. Muñiz ◽  
Laura M. Monleón ◽  
Luis Simón ◽  
...  
Keyword(s):  
Amino Acid ◽  
Oxyanion Hole ◽  
Enantioselective Extraction

A new chiral chromane receptor has been synthesized with a right-sized oxyanion hole to fix zwitterionic alanine. This associate allows the enantioselective extraction of this amino acid from water to chloroform.

Chirality conversion and enantioselective extraction of amino acids by imidazolium-based binol-aldehyde

2008 ◽  
Vol 49 (48) ◽  
pp. 6914-6916 ◽  
Author(s):  
Lijun Tang ◽  
Hyerim Ga ◽  
Jiyoung Kim ◽  
Sujung Choi ◽  
Raju Nandhakumar ◽  
...  
Keyword(s):  
Amino Acids ◽  
Enantioselective Extraction

Enantioselective extraction mediated by a chiral cavitand–salen covalently assembled on a porous silicon surface

2014 ◽  
Vol 50 (39) ◽  
pp. 4993-4996 ◽  
Author(s):  
Alessandro D'Urso ◽  
Cristina Tudisco ◽  
Francesco P. Ballistreri ◽  
Guglielmo G. Condorelli ◽  
Rosalba Randazzo ◽  
...  
Keyword(s):  
Porous Silicon ◽  
Silicon Surface ◽  
Water Solution ◽  
Ammonium Salts ◽  
Inorganic Hybrid ◽  
Hybrid Device ◽  
Porous Silicon Surface ◽  
Enantioselective Extraction ◽  
Alkyl Ammonium

A chiral organic–inorganic hybrid device shows enantioselection properties in water solution towards bromine-marked alkyl-ammonium salts.

scholarly journals Recent Development: Enantio Selective Eextraction in Chiral Separation

2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Mohammad Reza Hadjmohammadi ◽  
◽  
Majidhashemi ◽  
Keyword(s):  
Extraction Method ◽  
Extraction Methods ◽  
Chiral Selector ◽  
Selectivity Factor ◽  
Chiral Compound ◽  
Separation Processes ◽  
Typical Performance ◽  
Enantioselective Extraction ◽  
Major Emphasis ◽  
Complexation Process

This paper discusses the recent development of enantioselective extraction methods. There are several methods in this field. The principles of all of enantioselective extraction methods are presented a focus on twophase extractions, in these methods used a chiral compound that named chiral selector, this compound distinguishes between two chiral isomers in complexation process, then one isomer more captured by chiral selector, and separation processes happen. The chiral selector should dissolve in on phase. In these methods, typical performance data are reported major emphasis on distribution ratio and enantioselectivity value or selectivity factor. In this paper, we introduce types of enantioselective extraction method, and discuss about them with several examples.

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