Reaction #76151

ord-5eca301e06d74df09d4717221961ed01

Reaction equation

O=C(Cl)Cl
phosgene
[Na]
sodium
O=C1CCCCCN1
ε-caprolactam
O=C1CCCCCN1C(=O)N1CCCCCC1=O
N,N′-carbonylbiscaprolactam
Yield 0.6%

Reagents

None

Conditions

Detailed conditions
See reaction.notes.procedure_details.

Procedure

Thus, when phosgene is reacted with the sodium salt of ε-caprolactam according to H. R. Meyer, as described in the summary CA 52: 11781e of 1956, only from 0.6 to 40% of N,N′-carbonylbiscaprolactam is obtained.

Source

DOI: 10.6084/m9.figshare.5104873.v1Patent: US06699988B2uspto-grants-2004_03