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