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Indoxylcarboxylic acid

Heuma nn II Process. In the Heumann II process, starting from anthranilic acid,, V-phcnylglycine-o-carboxylic acid, prepared from anthranilic acid and chloroace-tic acid, is added in the form of the alkali metal salt 13 to a KOH/NaOH melt at 200 °C to produce indoxylcarboxylic acid salt 14. After hydrolysis and decarboxylation, the product is oxidized in air to yield indigo [19],... [Pg.209]

Indoxylcarboxylic acid from pnenylglycine-o-carboxylic acid. 324... [Pg.265]

See other pages where Indoxylcarboxylic acid is mentioned: [Pg.177]    [Pg.260]    [Pg.263]    [Pg.177]    [Pg.264]    [Pg.177]    [Pg.260]    [Pg.263]    [Pg.177]    [Pg.264]   
See also in sourсe #XX -- [ Pg.324 ]

See also in sourсe #XX -- [ Pg.324 ]



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