Dioxane tetraketone: Difference between revisions

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{{Chembox
{{Chembox
| Verifiedfields = changed
| verifiedrevid = 416980323
| verifiedrevid = 441639238
| Name =
| ImageFile = Dioxane tetraketone.png
| ImageFile = Dioxane tetraketone.png
| ImageSize = 120px
| ImageSize = 120px
| ImageFileL1 = File:Dioxane-tetraketone-3D-balls.png
| ImageFileR1 = Dioxane-tetraketone-3D-spacefill.png
| ImageAlt1 = Dioxane tetraketone molecule
| IUPACName = 1,4-Dioxane-2,3,5,6-tetrone
| IUPACName = 1,4-Dioxane-2,3,5,6-tetrone
| OtherNames =
| OtherNames =
| SystematicName =
| Section1 = {{Chembox Identifiers
| Section1 = {{Chembox Identifiers
| CASNo_Ref = {{cascite|correct|??}}
| CASNo = 213967-57-8
| CASNo = 213967-57-8
| PubChem =
| PubChem = 10534779
| ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}}
| ChemSpiderID = 8710170
| SMILES = O=C(O1)C(OC(C1=O)=O)=O
| SMILES = O=C(O1)C(OC(C1=O)=O)=O
| StdInChI_Ref = {{stdinchicite|changed|chemspider}}
| StdInChI = 1S/C4O6/c5-1-2(6)10-4(8)3(7)9-1
| StdInChIKey_Ref = {{stdinchicite|changed|chemspider}}
| StdInChIKey = WBHICAWASPYOHL-UHFFFAOYSA-N
}}
}}
| Section2 = {{Chembox Properties
| Section2 = {{Chembox Properties
| C = 4 | O = 6
| C=4 | O=6
| Appearance =
| Appearance =
| Density =
| Density =
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| MainHazards =
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| FlashPt =
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| Autoignition = }}
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'''Dioxane tetraketone''' (or '''1,4-dioxane-2,3,5,6-tetrone''') is an [[organic compound]] with the formula C<sub>4</sub>O<sub>6</sub>. 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 compound|cyclic]] [[Dimer (chemistry)|dimer]] of [[oxalic anhydride|oxiranedione]] (C<sub>2</sub>O<sub>3</sub>), the hypothetical [[anhydride]] of [[oxalic acid]].
'''Dioxane tetraketone''' (or '''1,4-dioxane-2,3,5,6-tetrone''') is an [[organic compound]] with the formula C<sub>4</sub>O<sub>6</sub>. 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 compound|cyclic]] [[Dimer (chemistry)|dimer]] of [[oxalic anhydride|oxiranedione]] (C<sub>2</sub>O<sub>3</sub>), the hypothetical [[anhydride]] of [[oxalic acid]].


In 1998, Paolo Strazzolini and others synthesized this compound by reacting [[oxalyl chloride]] (COCl)<sub>2</sub> or the [[oxalyl bromide|bromide]] (COBr)<sub>2</sub> with a suspension of [[silver oxalate]] (Ag<sub>2</sub>C<sub>2</sub>O<sub>4</sub>) 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&nbsp;°C, but decomposes into a 1:1 mixture of [[carbon monoxide]] (CO) and [[carbon dioxide]] (CO<sub>2</sub>) upon heating to 0&nbsp;°C.<ref>
In 1998, Paolo Strazzolini and others synthesized this compound by reacting [[oxalyl chloride]] (COCl)<sub>2</sub> or the [[oxalyl bromide|bromide]] (COBr)<sub>2</sub> with a suspension of [[silver oxalate]] (Ag<sub>2</sub>C<sub>2</sub>O<sub>4</sub>) in [[diethyl ether]] at −15&nbsp;°C, followed by evaporation of the solvent at low temperature and pressure. The substance is stable when dissolved in ether and [[trichloromethane]] at −30&nbsp;°C, but decomposes into a 1:1 mixture of [[carbon monoxide]] (CO) and [[carbon dioxide]] (CO<sub>2</sub>) upon heating to 0&nbsp;°C.<ref>{{ cite journal | title = The reaction between ethanedioyl (oxalyl) dihalides and Ag<sub>2</sub>C<sub>2</sub>O<sub>4</sub>: a route to Staudinger's elusive ethanedioic (oxalic) acid anhydride |author1=Strazzolini, P. |author2=Gambi, A. |author3=Giumanini, A. G. |author4=Vancik, H. | journal = Journal of the Chemical Society, Perkin Transactions 1 | year = 1998 | volume = 1998 | issue = 16 | pages = 2553–2558 | doi = 10.1039/a803430c }}</ref> The stability and conformation of the molecule were also analyzed by theoretical methods.<ref name="theo">{{ cite journal |author1=Gambi, A. |author2=Guimanini, A. G. |author3=Strazzolini, P. | year = 2001 | title = Theoretical investigations on (CO)<sub>n</sub>(CO<sub>2</sub>)<sub>m</sub> cyclic cooligomers | journal =Journal of Molecular Structure: THEOCHEM | volume = 536 | issue = 1 | pages = 9–16 | doi = 10.1016/S0166-1280(00)00601-1 }}</ref>
{{cite journal
| title = The reaction between ethanedioyl (oxalyl) dihalides and Ag<sub>2</sub>C<sub>2</sub>O<sub>4</sub>: a route to Staudinger’s elusive ethanedioic (oxalic) acid anhydride
| author = Paolo Strazzolini, Alberto Gambi, Angelo G. Giumanini and Hrvoj Vancik
| journal = J. Chem. Soc., Perkin Trans. 1
| volume =
| issue = 16
| year = 1998
| pages = 2553–2558
| doi = 10.1039/a803430c
}}</ref> The stability and conformation of the molecule were also analyzed by theoretical methods.<ref name="theo">
Alberto Gambi, Angelo G. Guimanini, and Paolo Strazzolini (2001), ''Theoretical investigations on (CO)<sub>n</sub>(CO<sub>2</sub>)<sub>m</sub> cyclic cooligomers''.
Journal of Molecular Structure: THEOCHEM, Volume 536, Issue 1, Pages 9–16 {{doi|10.1016/S0166-1280(00)00601-1}} </ref>


==References==
==References==
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[[Category:Oxocarbons]]
[[Category:Oxocarbons]]
[[Category:Dimers]]
[[Category:Dimers (chemistry)]]
[[Category:Acid anhydrides]]
[[Category:Carboxylic anhydrides]]
[[Category:Conjugated ketones]]

[[fr:Dioxanetétracétone]]
[[hu:Dioxán-tetraketon]]
[[zh:对二氧杂环己烷四酮]]