Process for the preparation of phosphorus-containing L-amino acids and their esters and N-derivatives

摘要

Process for the preparation of optically active 4-(phosphinoethyl)-1,3-oxazolidin-5-one derivatives. The invention relates to a process for preparing optically active compounds of formula (IV) <IMAGE> in which the radicals R1, R2, R3', R7, n and m are as defined in the main claim, which comprises reacting a compound of formula (II) <IMAGE> with a compound of formula (III) <IMAGE> in the presence of catalytical amounts of a radical former.