Oxetene

Oxetene is an unsaturated heterocycle. The compound is unstable^{[citation needed]} and has been synthesized.^[1] Compared to oxetane, the saturated compound, oxetene is destabilized because the double bond increases the ring strain.^{[citation needed]} Synthesis of some substituted derivatives has been reported.^[2][3]

Oxetene

Names
Preferred IUPAC name 2H-Oxete
Systematic IUPAC name 1-Oxacyclobut-2-ene
Identifiers
CAS Number	287-25-2 Y[pubchem]
3D model (JSmol)	Interactive image
Beilstein Reference	4652799
ChEBI	CHEBI:51195 Y
ChemSpider	10143952 Y
PubChem CID	11970569
CompTox Dashboard (EPA)	DTXSID20474941
InChI InChI=1S/C3H4O/c1-2-4-3-1/h1-2H,3H2 Y Key: CRYATLIDHPPXDV-UHFFFAOYSA-N Y
SMILES O1\C=C/C1
Properties
Chemical formula	C3H4O
Molar mass	56.06326
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

Oxetene is less studied than oxetane, a related compound that is the base of a number of organic molecules.^[2]

Synthesis

Oxetene can be synthesised by the photochemical cyclization of acrolein:^[4]