Dioxane tetraketone

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Names
IUPAC name

1,4-Dioxane-2,3,5,6-tetrone

Identifiers

CAS Number

* 213967-57-8 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 8710170 N

PubChem CID

* 10534779

InChI

* InChI=1S/C4O6/c5-1-2(6)10-4(8)3(7)9-1 N

Key: WBHICAWASPYOHL-UHFFFAOYSA-N N

SMILES

* O=C(O1)C(OC(C1=O)=O)=O

Properties

Chemical formula

| C4O6
Molar mass | 144.038 g·mol−1

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

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Dioxane tetraketone (or 1,4-dioxane-2,3,5,6-tetrone) is an organic compound with the formula C4O6. It is an oxide of carbon (an oxocarbon), which can be viewed as the fourfold ketone of dioxane. It can also be viewed as the cyclic dimer of oxiranedione (C2O3), the hypothetical anhydride of oxalic acid.

In 1998, Paolo Strazzolini and others synthesized this compound by reacting oxalyl chloride (COCl)2 or the bromide (COBr)2 with a suspension of silver oxalate (Ag2C2O4) in diethyl ether at −15 °C, followed by evaporation of the solvent at low temperature and pressure. The substance is stable when dissolved in ether and trichloromethane at −30 °C, but decomposes into a 1:1 mixture of carbon monoxide (CO) and carbon dioxide (CO2) upon heating to 0 °C.[1] The stability and conformation of the molecule were also analyzed by theoretical methods.[2]

## References

1. ↑ Strazzolini, P.; Gambi, A.; Giumanini, A. G.; Vancik, H. (1998). "The reaction between ethanedioyl (oxalyl) dihalides and Ag2C2O4: a route to Staudinger's elusive ethanedioic (oxalic) acid anhydride". Journal of the Chemical Society, Perkin Transactions 1 1998 (16): 2553–2558. doi:10.1039/a803430c.
2. ↑ Gambi, A.; Guimanini, A. G.; Strazzolini, P. (2001). "Theoretical investigations on (CO)n(CO2)m cyclic cooligomers". Journal of Molecular Structure: THEOCHEM 536 (1): 9–16. doi:10.1016/S0166-1280(00)00601-1.

## See also

* 1,2-Dioxetanedione

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Oxocarbons

Common oxides|

* CO
* CO2

Exotic oxides|

* CO3
* CO4
* CO5
* CO6
* C2O
* C2O2
* C2O3
* C2O4 (1,2-Dioxetanedione and 1,3-Dioxetanedione)
* C3O
* C3O2
* C3O3
* C3O6
* C4O2
* C4O4
* C4O6
* C5O2
* C5O5
* C6O6 (Cyclohexanehexone and Ethylenetetracarboxylic dianhydride)
* C8O8
* C9O9
* C10O8
* C10O10
* C12O6
* C12O9
* C12O12

Polymers|

* Graphite oxide
* C3O2
* CO
* CO2

Compounds derived from oxides|

* Metal carbonyls
* Carbonic acid
* Bicarbonates
* Carbonates
* Dicarbonates
* Tricarbonates

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