PROCESS FOR THE PREPARATION OF 3-CYANO-3,5,5'-TRIMETHYL-1-CYCLOHEXANONE

PROCESS FOR THE PREPARATION OF 3-CYANO-3,5,5'-TRIMETHYL-1-CYCLOHEXANONE

The present invention relates to a process for the preparation of 3-cyano-3,5,5 min -trimethyl-1-cyclohexanone by means of the reaction of isophorone with an alkaline cyanide. The reaction is performed starting from isophorone and an equivalent amount of cyanide in a homogeneous water/organic solven...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PONTOGLIO, ENRICO, PARODI, SANDRO
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The present invention relates to a process for the preparation of 3-cyano-3,5,5 min -trimethyl-1-cyclohexanone by means of the reaction of isophorone with an alkaline cyanide. The reaction is performed starting from isophorone and an equivalent amount of cyanide in a homogeneous water/organic solvent solution at a temperature comprised between 20 DEG C and the reflux temperature, maintaining a pH between 14 and 8 by means of a gradual addition of an inorganic acid during the reaction.