METHOD FOR PRODUCING 2-CYANO-3-HYDROXY-N(PHENYL)BUT-2-ENAMIDES

The invention relates to a method for obtaining cyan-3-hydroxy-N-(phenyl)but-2-ene amide, whereby a phenyl-substituted 2-cyan-N-(phenyl)acetamide is converted in the presence of a base, acetic acid anhydride and at least one solvent, and the 2-cyan-3-hydroxy-N-(phenyl-derivative)but-2-ene amide obta...

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Bibliographische Detailangaben
Hauptverfasser:	NEISES, BERND, ZAHN, MARTIN, HACHTEL, JOCHEN, SCHWAB, WILFRIED, UTZ, ROLAND
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:	The invention relates to a method for obtaining cyan-3-hydroxy-N-(phenyl)but-2-ene amide, whereby a phenyl-substituted 2-cyan-N-(phenyl)acetamide is converted in the presence of a base, acetic acid anhydride and at least one solvent, and the 2-cyan-3-hydroxy-N-(phenyl-derivative)but-2-ene amide obtained is crystallised by means of acidification.