6-Aminohexanoic Acid → Caprolactam

HRID 432011Notes

Reaction equation

HRID 432011 reaction equation
[NH2:1][CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][C:7]([OH:9])=[O:8].NCCCCCC(N)=[O:17]>>[C:7]1(=[O:9])[NH:1][CH2:2][CH2:3][CH2:4][CH2:5][CH2:6]1.[CH:2]([CH2:3][CH2:4][CH2:5][CH2:6][C:7]([OH:9])=[O:8])=[O:17]

Participants

4

Reactant 2

HCID 5646-Aminohexanoic AcidHCID 67798Hexanamide, 6-amino-

Product 2

HCID 7768CaprolactamHCID 4409186-Oxohexanoic acid

Procedure

Process according to claim 1, wherein the starting mixture is an aqueous mixture containing 6-aminocaproic acid, 6-aminocaproamide, oligomers thereof and ε-caprolactam which aqueous mixture is obtained through reductive amination of 5-formylvaleric acid or its ester.

Sources & evidence

ORD record
ord-41cae21561a645d893aba62805240d95
Source dataset
uspto-grants-2003_12
Patent number
US06660857B2

Reaction notes

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