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PCE
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DIFF Subgroup
C07D 233/20

with substituted hydrocarbon radicals, directly attached to ring carbon atoms

Introduced: July 1974

Full Title

Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings > having one double bond between ring members or between a ring member and a non-ring member > with substituted hydrocarbon radicals, directly attached to ring carbon atoms

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 1974.

Child Classifications

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  • C07D 233/22 Radicals substituted by oxygen atoms since 1974 IPC+CPC Available in IPC and CPC
  • C07D 233/24 Radicals substituted by nitrogen atoms not forming part of a nitro radical since 1974 IPC+CPC Available in IPC and CPC
  • C07D 233/26 Radicals substituted by carbon atoms having three bonds to hetero atoms since 1974 IPC+CPC Available in IPC and CPC