Nitrokemia Ipartelepek

Tibor Kranitz

Lajos T Nagy

Csaba Soptei

Zoltan Kolonics

Jeno Pelyva

Dezso Sebok

Sandor Balint

Laszlo Legradi

Pal Agocs

Judit Benczik Nee Pasztor

Jolan Cseke

Process for the preparation of N-phenyl-N-methoxyacetyl-DL-alanine methyl ester derivatives of the formula (I). ##STR1## wherein R is a C.sub.1-4 alkyl residue; and n is a cardinal number between from 1 to 3, which comprises reacting an N-methoxyacetyl derivative of the formula (II). ##STR2## wherein R and n are as defined above, with a stoichiometric amount of an alkaline metal alkoxide, at a temperature between 80.degree. C. and 150.degree. C., until completion of the removal of the alkanol present in the system, then reacting the thus obtained alkaline metal salt of the compound of formula (II) directly or after isolation with a methyl DL-x-halopropionate.

Process for preparing N-phenyl-N-methoxyacetyl-DL-alanine methyl ester

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Balatonalmadi, Hungary

Tibor Kranitz