Cyclobutyne

Cyclobutyne
Names
	Preferred IUPAC name Cyclobutyne
Identifiers
CAS Number	1191-94-2 ;
3D model (JSmol)	Interactive image;
ChemSpider	10637133 ;
PubChem CID	20072734;
CompTox Dashboard (EPA)	DTXSID80602147 ;
	InChI InChI=1S/C4H4/c1-2-4-3-1/h1-2H2 Key: DRFGMUMDUXDALH-UHFFFAOYSA-N ;
	SMILES C1#CCC1;
Properties
Chemical formula	C4H4
Molar mass	52.076 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Cyclobutyne (C₄H₄) is a hydrocarbon molecule containing a triple bond within a four carbon atom ring.^[1] This cycloalkyne is very unstable due to its high ring strain and has not been isolated in the pure state. However, osmium coordination complexes containing cyclobutyne have been synthesized.^[2]^[which?]

References

^ Hopf, Henning; Grunenberg, Jrg (2009). "Angle-Strained Cycloalkynes". Strained Hydrocarbons. pp. 375–397. doi:10.1002/9783527627134.ch7. ISBN 9783527627134.
^ Adams, Richard D.; Qu, Xiaosu (1996). "The Chemistry of Cyclobutyne and Cyclobutenyl Ligands in Metal Cluster Complexes". Synlett. 1996 (6): 493. doi:10.1055/s-1996-5466.

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