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PCE
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DIFF Subgroup
C07D 201/02

Preparation of lactams

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Preparation, separation, purification, or stabilisation of unsubstituted lactams > Preparation of lactams

CPC:

Preparation, separation, purification or stabilisation of unsubstituted lactams > Preparation of lactams

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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  • C07D 201/08 from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles since 1974 IPC+CPC Available in IPC and CPC
  • C07D 201/10 from cycloaliphatic compounds by simultaneous nitrosylation and rearrangement since 1974 IPC+CPC Available in IPC and CPC
  • C07D 201/12 by depolymerising polyamides since 1974 IPC+CPC Available in IPC and CPC