The rational design and application of new chiral phosphonates for the enantiomeric excess determination of unprotected amino acids. Remarkable pH dependency of the diastereomeric shift differences.

Tetrahedron ◽  
1994 ◽  
Vol 50 (40) ◽  
pp. 11721-11728 ◽  
Author(s):  
Ron Hulst ◽  
N.Koen de Vries ◽  
Ben L. Feringa
Keyword(s):  
Amino Acids ◽  
Rational Design ◽  
Enantiomeric Excess ◽  
Ph Dependency ◽  
Design And Application

Simultaneous determination of the concentration and enantiomeric excess of amino acids with a coumarin-derived achiral probe

2021 ◽  
Vol 13 (16) ◽  
pp. 1905-1910
Author(s):  
Lamei Yang ◽  
Feng Luo ◽  
Weili Wei
Keyword(s):  
Amino Acids ◽  
Simultaneous Determination ◽  
Enantiomeric Excess ◽  
Chiral Analysis

An achiral easy-to-synthesize coumarin aldehyde probe was designed and synthesized for chiral analysis of amino acids.

31P NMR Spectroscopy as a Powerful Tool for the Determination of Enantiomeric Excess and Absolute Configurations of α-Amino Acids

2003 ◽  
Vol 42 (4) ◽  
pp. 1006-1013 ◽  
Author(s):  
Judith Bravo ◽  
Carlos Cativiela ◽  
Julio E. Chaves ◽  
Rafael Navarro ◽  
Esteban P. Urriolabeitia
Keyword(s):  
Amino Acids ◽  
Nmr Spectroscopy ◽  
31P Nmr ◽  
Enantiomeric Excess ◽  
31P Nmr Spectroscopy

scholarly journals Taking advantage of Co(ii) induced enhanced VCD for the fast and sensitive determination of enantiomeric excess

2017 ◽  
Vol 15 (46) ◽  
pp. 9800-9803 ◽  
Author(s):  
Lorenzo Arrico ◽  
Gaetano Angelici ◽  
Lorenzo Di Bari
Keyword(s):  
Amino Acids ◽  
Enantiomeric Excess ◽  
Sensitive Determination

Large Co(ii)-induced VCD signals provide a method for determining the enantiomeric excess of α-amino acids. This strategy can be followed for building new VCD protocols.

Determination of enantiomeric excess of amino acids using photodissociation of cold gas-phase Na+-containing clusters

2019 ◽  
Vol 54 (7) ◽  
pp. 629-633
Author(s):  
Doan Thuc Nguyen ◽  
Narumi Oki ◽  
Akimasa Fujihara
Keyword(s):  
Amino Acids ◽  
Gas Phase ◽  
Enantiomeric Excess ◽  
Cold Gas

Rapid determination of enantiomeric excess of protected amino acids by catalytic amounts of chiral reagent

2012 ◽  
Vol 4 (7) ◽  
pp. 1920 ◽  
Author(s):  
Xiangou Zhu ◽  
Jun Jiang ◽  
Xinxiang Lei ◽  
Xiaojing Chen
Keyword(s):  
Amino Acids ◽  
Rapid Determination ◽  
Enantiomeric Excess ◽  
Chiral Reagent
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