I have long been fascinated by polymers of either carbon dioxide,† or carbon monoxide, or combinations of both. One such molecule, referred to as dioxane tetraketone when it was featured on the ACS molecule-of-the-week site and also known as the anhydride of oxalic acid, or more formally 1,4-dioxane-2,3,5,6-tetraone, has been speculated upon for more than a century.[1]
References
- H. Staudinger, "Oxalylchlorid", Berichte der deutschen chemischen Gesellschaft, vol. 41, pp. 3558-3566, 1908. http://dx.doi.org/10.1002/cber.19080410335