LEUCAURAMINE DERIVATIVES

• Main Authors: RENFREW A,GB, EVANS R,GB, HOLT K,GB, BOYD V,GB
• Format: Patent
• Language: English
• Published: 01.10.1974
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COLOUR PRINTING; CORRECTING FLUIDS; DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM; DYEING OR PRINTING TEXTILES; DYES; FILLING PASTES; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; HETEROCYCLIC COMPOUNDS; INKS; LAKES; LAUNDERING; LINING MACHINES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC CHEMISTRY; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; PRINTING; PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; STAMPS; TEXTILES; TRANSPORTING; TREATMENT OF TEXTILES OR THE LIKE; TYPEWRITERS; USE OF MATERIALS THEREFOR; WOODSTAINS

Process for obtaining leucauramine derivatives, in particular for obtaining a salt of N- (2-carboxyphenyl) leucauramine or N- (4-carboxyphenyl) leucauramine, characterized in that anthranilic acid is reacted in any order, p-aminobenzcic with a compound of formula: ** (see formula) ** Wherein z represents oxygen or sulfur and w represents hydrogen or alkyl, and a hydroxide, alkoxide, carbonate or bicarbonate of a group iia metal, ammonia, a primary, secondary or tertiary amine, a quaternary ammonium hydroxide, or a hydrazine, hydroxylamine or guanidine which may optionally carry alkyl or aryl substituents. (Machine-translation by Google Translate, not legally binding)