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Enantioselective liquid-liquid extractions of underivatized general amino acids with a chiral ketone extractant

Title
Enantioselective liquid-liquid extractions of underivatized general amino acids with a chiral ketone extractant
Authors
Huang H.Nandhakumar R.Choi M.Su Z.Kim K.M.
Ewha Authors
김관묵
SCOPUS Author ID
김관묵scopus
Issue Date
2013
Journal Title
Journal of the American Chemical Society
ISSN
0002-7863JCR Link
Citation
vol. 135, no. 7, pp. 2653 - 2658
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
The chiral ketone (S)-3 shows high kinetic enantioselectivities toward the l form for general underivatized amino acids with hydrophobic side chains and a high thermodynamic enantioselectivity toward the d form for cysteine with its -SH polar side chain when used as an extractant in enantioselective liquid-liquid extractions in the presence of Aliquat 336. Consecutive extractions by imine formation and hydrolysis increase the enantiopurity of the amino acid, as both of these reactions are l-form-selective. © 2013 American Chemical Society.
DOI
10.1021/ja3105945
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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