Dioxane tetraketone

Dioxane tetraketone
Names
IUPAC name
1,4-Dioxane-2,3,5,6-tetrone
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/C4O6/c5-1-2(6)10-4(8)3(7)9-1 ☒N
    Key: WBHICAWASPYOHL-UHFFFAOYSA-N ☒N
  • O=C(O1)C(OC(C1=O)=O)=O
Properties
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 checkY☒N ?)

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]

See also

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.

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