PRODUCTION OF EPSILON-CAPROLACTAM

PRODUCTION OF EPSILON-CAPROLACTAM

PURPOSE: To provide the method for producing the -caprolactam useful on industry, enabling to produce the -caprolactam not inferior to the conventional quality at a low cost. CONSTITUTION: The method for producing the -caprolactam by hydrating cyclohexene, subjecting the obtained cyclohexanol to a d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YONEMORI TSUTOMU, TEZUKA MAKOTO, TOWATA MASATO
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:PURPOSE: To provide the method for producing the -caprolactam useful on industry, enabling to produce the -caprolactam not inferior to the conventional quality at a low cost. CONSTITUTION: The method for producing the -caprolactam by hydrating cyclohexene, subjecting the obtained cyclohexanol to a dehydrogenation reaction, reacting the obtained cyclohexanone with hydroxylamine and subsequently subjecting the obtained cyclohexanone oxime to a Beckmann rearrangement, is characterized by reducing indene compounds contained in the cyclohexanol fed to the dehydrogenation reaction to