Process for the preparation of N-(2-carboxy-5-chloro-phenyl)glyc

Details Process for the preparation of N-(2-carboxy-5-chloro-phenyl)glyc Process for the preparation of N-(2-carboxy-5-chloro-phenyl)glyc

1997-06-18

1998-10-13

Geist, Gary

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

Organic compounds

Carboxylic acids and salts thereof

C07C22900

Patent

active

058213856

ABSTRACT:
The present invention relates to a process for the preparation of N-(2-carboxy-5-chloro-phenyl)glycine of the formula (1) ##STR1## which comprises reacting 2,4-dichlorobenzoic acid of the formula (2) ##STR2## with glycine and a base in water at a temperature of 50.degree. to 200.degree. C. in the presence of copper and oxygen at a pH of 7 to 13.

REFERENCES:
Beilsteins Handbuch Der Organischen Chemie, 4 Auflage, 2, Erganzungswerk Band 14, Springer-Verlag, Berlin Seite 231, Zeilen 6-16, 1951.
Beilsteins Handbuch Der Organischen Chemie, 4. Auflage, Band 14, Verlag von Julius Springer, Berlin Seite 366, Zeilen 17-22, 1931.
Beilsteins Handbuch Der Organischen Chemie, 4. Auflage, 4. Erganzungswerk Band 14, Springer-Verlag, Berlin Seite 1074, Zeilen 14-19, 1985.

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