IPC Subgroup
C07D 239/46 Two or more oxygen, sulfur or nitrogen atoms
Introduced: July 1974
Last revised: January 2006
Full Title
Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings > not condensed with other rings > having three or more double bonds between ring members or between ring members and non-ring members > with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms > Two or more oxygen, sulfur or nitrogen atoms
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- HETEROCYCLIC COMPOUNDS
7 direct subcodes
Child Classifications
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- C07D 239/47 One nitrogen atom and one oxygen or sulfur atom, e.g. cytosine
- C07D 239/48 Two nitrogen atoms
- C07D 239/5 Three nitrogen atoms
- C07D 239/52 Two oxygen atoms
- C07D 239/56 One oxygen atom and one sulfur atom
- C07D 239/58 Two sulfur atoms
- C07D 239/6 Three or more oxygen or sulfur atoms