Sydnone

Sydnone
Names
IUPAC name
2H-Oxadiazol-5-one
Other names
1,2,3-Oxadiazol-5(2H)-one
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/C2H2N2O2/c5-2-1-3-4-6-2/h1,4H
    Key: BIGWXAGEQONZGD-UHFFFAOYSA-N
  • C1=NNOC1=O
Properties
C2H2N2O2
Molar mass 86.050 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Sydnones are mesoionic heterocyclic chemical compounds possessing a C5-oxygenated 1,2,3-oxadiazole core, named after the city of Sydney, Australia. Like other mesoionic compounds they are dipolar, possessing both positive and negative charges which are delocalized across the ring.

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