Fremgangsmåde til fremstilling af krystallinske salte af acetoacetamid-N-sulfofluorid

Crystalline salts of acetoacetamide-N-sulfofluoride are prepared by reacting amidosulfofluoride H2NSO2F with diketene in the presence of inorganic bases, preferably alkali metal carbonates and/or hydrogencarbonates, in particular potassium carbonate, in an inert organic solvent. The salts can be fur...

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Bibliographische Detailangaben
Hauptverfasser:	LINKIES, ADOLF, REUSCHLING, DIETER
Format:	Patent
Sprache:	dan
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J GENERAL METHODS OF ORGANIC CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR RELEVANT APPARATUS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TRANSPORTING
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Zusammenfassung:	Crystalline salts of acetoacetamide-N-sulfofluoride are prepared by reacting amidosulfofluoride H2NSO2F with diketene in the presence of inorganic bases, preferably alkali metal carbonates and/or hydrogencarbonates, in particular potassium carbonate, in an inert organic solvent. The salts can be further processed with further base, for example with methanolic KOH, into salts of 6-methyl-3,4-dihydro-1,2,3-oxathiazin-4-one-2,2-dioxide; the potassium salt, in particular, is important for use as a sweetener ("Acesulfame").