55322-25-3Relevant academic research and scientific papers
Interconversion of (R) and (S)-α-hydroxy esters: precursors of (S) and (R)-O-benzyl-α-hydroxylamino acid esters of high optical purity.
Feenstra, R. W.,Stokkingreef, E. H. M.,Nivard, R. J. F.,Ottenheijm, H. C. J.
, p. 5583 - 5596 (2007/10/02)
(R)- and (S)-α-hydroxy esters 5 are interconverted via their triflates 6 in high chemical as well as optical yields by reaction with dimethylformamide.The same triflates are efficiently converted into N-hydroxy-α-amino acid derivatives 7 of high optical purity.
AN EFFICIENT SYNTHESIS OF N-HYDROXY-α-AMINO ACID DERIVATIVES OF HIGH OPTICAL PURITY.
Feenstra, R. W.,Stokkingreef, E. H. M.,Nivard, R. J. F.,Ottenheijm, H. C. J.
, p. 1215 - 1218 (2007/10/02)
Conversion of α-hydroxy esters via triflates into compounds 3 proceeds in chemical yields ranging from 78 to 89percent and with optical purities ranging from 76 to 100percent.
