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Isophorone
Isophorone is an organic compound, a colorless to yellowish liquid with characteristic smell, that is used as a solvent and as an intermediate in organic synthesis. Isophorone also occurs naturally in cranberries.[2] Additional recommended knowledge
ProductionIsophorone can be manufactured by catalyzed self-condensation of acetone.[3] Mesityl oxide is the initial product of the self-aldol condensation of acetone. The acetone formed can react further with mesityl oxide via a Michael reaction and subsequent intramolecular aldol condensation to eventually obtain the six-membered ring of isophorone. This is an example of the Robinson annulation. The yield of the two compounds depends on the reaction conditions.
HistoryThe use of isophorone as a solvent resulted from the search for ways to dispose of or recycle acetone, which was a waste product of phenol synthesis by the Hock method.[4] UsesIsophorone is used as a solvent in some printing inks, paints, lacquers, adhesives, copolymers, coatings, finishings and pesticides.[2] It is also used as a chemical intermediate and as an ingredient in wood preservatives and floor sealants. References
Categories: Ketones | Ketone solvents |
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Isophorone". A list of authors is available in Wikipedia. |