Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
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.
aus der Funten Helmut
Schrage Klaus
Dynamit Nobel Aktiengesellschaft
Reamer James H.
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