Lm. Harwood et Sm. Robertson, Double diastereocontrol in the synthesis of enantiomerically pure polyoxamic acid, CHEM COMMUN, (23), 1998, pp. 2641-2642
Polyoxamic acid 4 is prepared by a short and efficient process involving di
astereochemically matched cycloaddition of 5-(S)-phenylmorpholin-2-one 1 wi
th (S)-glyceraldehyde acetonide 2, followed by sequential hydrolysis and hy
drogenolysis of the adduct.