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Published in 2017 at "Journal of separation science"
DOI: 10.1002/jssc.201601384
Abstract: 3-Phenyllactic acid is an antimicrobial compound with broad-spectrum activity against various bacteria and fungus. The observed difference in pharmacological activity between optical isomeric 3-phenyllactic acid necessitates a method for enantioseparation. Chiral ligand exchange countercurrent chromatography…
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Keywords:
phenyllactic acid;
countercurrent chromatography;
chiral ligand;
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Published in 2018 at "Journal of separation science"
DOI: 10.1002/jssc.201701117
Abstract: This work deals with the enantioseparation of α-amino acids by chiral ligand exchange high-speed countercurrent chromatography using N-n-dodecyl-l-hydroxyproline as a chiral ligand and copper(II) as a transition metal ion. A biphasic solvent system composed of…
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Keywords:
chromatography;
amino acids;
enantioseparation amino;
countercurrent chromatography ... See more keywords
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Published in 2019 at "Organic letters"
DOI: 10.1021/acs.orglett.9b00276
Abstract: A copper/prolinol-phosphine chiral catalyst enabled the one-step synthesis of chiral α-alkylidene-β-lactams. Optimization of the chiral ligand for steric and electronic properties realized the highly enantioselective coupling of nitrones and propargyl alcohol derived alkynes. The resulting…
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Keywords:
phosphine chiral;
alkylidene;
alkylidene lactams;
prolinol phosphine ... See more keywords