Method of preparing d,l-phenylalanine

Details Method of preparing d,l-phenylalanine Method of preparing d,l-phenylalanine

1982-02-08

1983-08-23

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C07C 9900

Patent

active

044005334

ABSTRACT:
A process for preparing an alkali salt of d,l-phenylalanine and the free acid thereof is disclosed. According to the invention an alkali salt of phenylpyruvic acid is reacted at elevated pressure with hydrogen and ammonia in the presence of a noble metal catalyst of Group VIII. If the acid is desired it is obtained by acidification of the corresponding salt.

REFERENCES:
patent: 3867435 (1975-02-01), Diamond et al.
patent: 4073804 (1978-02-01), Hearon et al.

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