Tuesday, May 5, 2009

What is the name of an organic compound with molecular formula C4O3?

I need help with organic nomenclature. I'm trying to figure out the name of a compound that contains 3 oxygens (2 of which are part of carbonyl groups) and 1 C=C double bond. The molecule has a ring structure.

What is the name of an organic compound with molecular formula C4O3?
the onlything I could make out of C4O3 is


trimember ring of C atoms with 2 oxygens attached to two of them by double bond, 3rd carbon has double bond to the fourth carbon which is in turn connected to the third oxygen with double bond, hope this is understandable and the name would be


cyclopropadionyl ketene
Reply:It helps if you include the two hydrogens. Maleic anhydride. Lovely dienophile in Diels-Alder reactions.


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