Английская Википедия:Cyclopentanepentone
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Cyclopentanepentone, also known as leuconic acid, is a hypothetical organic compound with formula C5O5, the fivefold ketone of cyclopentane. It would be an oxide of carbon (an oxocarbon), indeed a pentamer of carbon monoxide.
As of 2000, the compound had yet to be synthesized in bulk, but there have been reports of trace synthesis.[1][2][3]
Related compounds
Cyclopentanepentone can be viewed as the neutral counterpart of the croconate anion Шаблон:Chem.
The compound referred to in the literature and trade as "cyclopentanepentone pentahydrate" (C5O5·5H2O) is probably decahydroxycyclopentane (C5(OH)10).[2][4]
References
See also