Ammonia → Caprolactam

Reaktionsgleichung

C1(=[N:7]O)CCCCC1.[S:9](=[O:13])(=[O:12])([OH:11])[OH:10].OS(O)(=O)=O.O=S(=O)=O.S(O)(O)(=O)=O.[C:28]1(=[O:35])[NH:34][CH2:33][CH2:32][CH2:31][CH2:30][CH2:29]1.[NH3:36]>>[C:28]1(=[O:35])[NH:34][CH2:33][CH2:32][CH2:31][CH2:30][CH2:29]1.[S:9]([O-:13])([O-:12])(=[O:11])=[O:10].[NH4+:7].[NH4+:36]

Komponenten

Edukt 5

HCID 222Ammonia

HCID 1118Sulfuric Acid2×

HCID 7517Cyclohexanone Oxime

HCID 24681Fuming sulfuric acid

HCID 67062907Caprolactam sulfate

Produkt 2

HCID 7768Caprolactam

HCID 6097028Ammonium Sulfate

Versuchsvorschrift

The Beckmann rearrangement of the cyclohexanone oxime is carried out with sulfuric acid or oleum. The caprolactam sulfate prepared in this case and excess sulfuric acid are reacted with ammonia to give caprolactam and ammonium sulfate.

Quellen und Nachweise

ORD-Eintrag: ord-01f4839d1f2846ee93e0257eb0d561d9
Quelldatensatz: uspto-grants-2014_09
DOI: 10.6084/m9.figshare.5104873.v1
Patentnummer: US08841445B2

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