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The three isomers of dioxane.
Small blue numbers show numbering of atoms in rings.

1,2-Dioxane or o-dioxane is an organic compound with the molecular formula (CH2)4O2. The parent compound has not been isolated, but substituted 1,2-dioxanes have been prepared, and some have been isolated from natural sources.[1]

See also[edit]


  1. ^ Parrish, Jonathan D.; Ischay, Michael A.; Lu, Zhan; Guo, Song; Peters, Noel R.; Yoon, Tehshik P. (2012). "Endoperoxide Synthesis by Photocatalytic Aerobic [2 + 2 + 2] Cycloadditions". Organic Letters. 14: 1640–1643. doi:10.1021/ol300428q. PMC 3306464Freely accessible.