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PCE
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DIFF Subgroup
C07D 231/06

having one double bond between ring members or between a ring member and a non-ring member

Introduced: July 1974

Full Title

Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings > not condensed with other rings > having one double bond between ring members or between a ring member and a non-ring member

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1974.

Child Classifications

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  • C07D 231/08 with oxygen or sulfur atoms directly attached to ring carbon atoms since 1974 IPC+CPC Available in IPC and CPC