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PCE
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DIFF Subgroup
C07C 13/26

with an eight-membered ring

Introduced: September 1968

Full Title

Cyclic hydrocarbons containing rings other than, or in addition to, six-membered aromatic rings > Monocyclic hydrocarbons or acyclic hydrocarbon derivatives thereof > with an eight-membered ring

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1980.

Child Classifications

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  • C07C 13/263 with a cyclo-octene or cyclo-octadiene ring since 1980 IPC+CPC Available in IPC and CPC
  • C07C 13/267 with a cyclo-octatriene or cyclo-octatetraene ring since 1980 IPC+CPC Available in IPC and CPC