SONG, CE LEE, SG LEE, KC KIM, IO JEONG, JH 2024-01-21T22:13:18Z 2024-01-21T22:13:18Z 2022-01-11 1993-11-19 0021-9673 https://pubs.kist.re.kr/handle/201004/145950 Diastereomeric pairs of N-acyloxazolidinones, derived from (4R,5S)-4-methyl-5-phenyl-2-oxazolidinon (as a chiral derivatizing agent) and racemic alpha-halocarboxylic acids or O-substituted alpha-hydroxycarboxylic acids, were separated chromatographically on a large preparative scale and showed appreciable degrees of NMR-shift difference. The origins of the chromatographic separability of these diastereomers are discussed. English ELSEVIER SCIENCE BV ASYMMETRIC HALOGENATION GENERAL-APPROACH AMINO-ACIDS ESTERS HYDROLYSIS ALKYLATION ALCOHOLS CHROMATOGRAPHIC RESOLUTION OF RACEMIC ALPHA-HALOCARBOXYLIC ACIDS AND O-SUBSTITUTED ALPHA-HYDROXYCARBOXYLIC ACIDS VIA DIASTEREOMERIC N-ACYLOXAZOLIDINONES Article 10.1016/0021-9673(93)83374-2 1 JOURNAL OF CHROMATOGRAPHY A, v.654, no.2, pp.303 - 308 JOURNAL OF CHROMATOGRAPHY A 654 2 303 308 scie scopus A1993MW22400013 2-s2.0-0027367956 Biochemical Research Methods Chemistry, Analytical Biochemistry & Molecular Biology Chemistry Note ASYMMETRIC HALOGENATION GENERAL-APPROACH AMINO-ACIDS ESTERS HYDROLYSIS ALKYLATION ALCOHOLS