Dioxane tetraketone: Difference between revisions
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| Name = |
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| ImageFile = Dioxane tetraketone.png |
| ImageFile = Dioxane tetraketone.png |
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| ImageSize = 120px |
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| ImageFileL1 = File:Dioxane-tetraketone-3D-balls.png |
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| ImageFileR1 = Dioxane-tetraketone-3D-spacefill.png |
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| ImageAlt1 = Dioxane tetraketone molecule |
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| IUPACName = 1,4-Dioxane-2,3,5,6-tetrone |
| IUPACName = 1,4-Dioxane-2,3,5,6-tetrone |
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| Section1 = {{Chembox Identifiers |
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| CASNo = 213967-57-8 |
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| PubChem = 10534779 |
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| ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}} |
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| ChemSpiderID = 8710170 |
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| SMILES = O=C(O1)C(OC(C1=O)=O)=O |
| SMILES = O=C(O1)C(OC(C1=O)=O)=O |
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| StdInChI = 1S/C4O6/c5-1-2(6)10-4(8)3(7)9-1 |
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| StdInChIKey = WBHICAWASPYOHL-UHFFFAOYSA-N |
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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]]. |
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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 |
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 °C, but decomposes into a 1:1 mixture of [[carbon monoxide]] (CO) and [[carbon dioxide]] (CO<sub>2</sub>) upon heating to 0 °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> |
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{{cite journal |
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| 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 |
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| author = Paolo Strazzolini, Alberto Gambi, Angelo G. Giumanini and Hrvoj Vancik |
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| journal = J. Chem. Soc., Perkin Trans. 1 |
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| volume = |
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| issue = 16 |
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| year = 1998 |
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| pages = 2553–2558 |
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| doi = 10.1039/a803430c |
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}}</ref> The stability and conformation of the molecule were also analyzed by theoretical methods.<ref name="theo"> |
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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''. |
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Journal of Molecular Structure: THEOCHEM, Volume 536, Issue 1, Pages 9–16 {{doi|10.1016/S0166-1280(00)00601-1}} </ref> |
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==References== |
==References== |
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[[Category:Oxocarbons]] |
[[Category:Oxocarbons]] |
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[[Category:Dimers]] |
[[Category:Dimers (chemistry)]] |
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[[Category: |
[[Category:Carboxylic anhydrides]] |
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[[Category:Conjugated ketones]] |
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[[fr:Dioxanetétracétone]] |
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[[hu:Dioxán-tetraketon]] |
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[[zh:对二氧杂环己烷四酮]] |