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Headspace gas chromatography may support food authenticity analysis
Static headspace sampling with cryogenic modulation GC×GC-TOFMS enables comprehensive volatile and chiral analysis of citrus essential oils, eliminating solvents while improving detectability for.
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Oxoammonium catalysis enables enantioselective desymmetrization of meso-pyrrolidines
Oxoammonium-catalyzed desymmetrization of meso-pyrrolidines via enantioselective hydride transfer with over 90% ee, featuring mechanistic insights from isolated intermediates.
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Chiral carbon-bonding donors showed asymmetric induction
Carbon-bonding donors induce asymmetric induction via noncovalent interaction, demonstrated through oxa-Pictet-Spengler cyclization with oxocarbenium intermediates.
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Method distinguishes chiral α-hydroxy acids in complex samples
MALDI-TIMS-MS platform with chiral derivatization for enantiomeric discrimination of α-hydroxy acids in tumor tissues and food samples with sensitivity to 5.8% enantiomeric ratios.
