Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
C12P 17/02

Oxygen as only ring hetero atoms

Full Title

Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms (C12P13/04 - C12P13/24 take precedence) > Oxygen as only ring hetero atoms

3 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • C12P 17/04 containing a five-membered hetero ring, e.g. griseofulvin
  • C12P 17/06 containing a six-membered hetero ring, e.g. fluorescein
  • C12P 17/08 containing a hetero ring of at least seven ring members, e.g. zearalenone, macrolide aglycons