They are interesting because they exist predominantly in an enol form. What follows is my post. A modified assignment of the PMR signals in acetylacetone is confirmed. Please refine your query, and try again. A diketone or dione is a molecule containing two ketone groups. The terms enol and alkenol are portmanteaus deriving from "-ene"/"alkene" and the "-ol ... over 99 mole% of the compound is in the enol form. Oriental Journal of Chemistry is a peer reviewed quarterly research journal of pure and applied chemistry. We have 1 answer for this clue. Acetylacetone (2,4-pentanedione) is a -diketone that occurs in the form of enol and tautomeric keto mixture. Oriental Journal of Chemistry is a peer reviewed quarterly research journal of pure and applied chemistry. The enol form is a vinylogous analogue of a carboxylic acid. I got another flag. The simplest diketone is diacetyl, also known as 2,3-butanedione. Author Topic: where are the carbonyl peaks in this IR of dimedone (Read 8997 times) The keto and enol forms of acetylacetone coexist in solution; these forms are tautomers. See the post here. You have exceeded the maximum number of 30 words in your search term. Acetylacetone is a compound belonging to the large group of -dicarbonyls. We have 7 answers for this clue. Find answers for the crossword clue: Chemical compound. A poster gave a really good problem though, ascorbic acid. The cis enol form predominates in solvents of low polarity, whereas the diketo form predominates in solvents of high polarity. Title C5H8O2, Acetylacetone, enol form Book Title Molecules Containing Five or More Carbon Atoms Book DOI Find answers for the crossword clue: Form of acetylacetone. Intermolecular interactions in inclusion complexes of acetylacetone allow its enol form to be stabilised in the solid state. Properties Tautomerism The keto and enol forms of acetylacetone coexist in solution; these forms are tautomers .