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The compound is prepared by base-catalyzed condensation of 1-hydroxyhexane-2,5-dione, a derivative of hydroxymethylfurfural. [2] The structure has been confirmed by X-ray crystallography. [2] Quantum calculations also indicate that the enol is strongly favored relative to the diketo tautomer.
Cyclopentanone is common precursor to fragrances, especially those related to jasmine and jasmone.Examples include 2-pentyl- and 2-heptylcyclopentanone. [4] It is a versatile synthetic intermediate, being a precursor to cyclopentobarbital.
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2-Pentanone or methyl propyl ketone (MPK) is a ketone and solvent of minor importance. It is comparable to methyl ethyl ketone , but has a lower solvency and is more expensive. [ 5 ] It occurs naturally in Nicotiana tabacum (Tobacco) [ 6 ] and blue cheese as a metabolic product of Penicillium mold growth.
3-Methyl-3-penten-2-one is an unsaturated aliphatic ketone. It is an isomer of mesityl oxide and isomesityl oxide. It is a precursor of 3-methyl-2-pentanone (methyl sec-butyl ketone) and is obtained by acid-catalyzed dehydration of 4-hydroxy-3-methyl-2-pentanone. It is used as an intermediate in organic chemistry syntheses. [1]
2-Cyclopentenones can be synthesized in a number of ways. One of the routes involves elimination of α-bromo-cyclopentanone using lithium carbonate [2] and Claisen condensation-decarboxylation-isomerization cascades of unsaturated diesters as shown below. [3] Industrial synthesis of cyclopentenone
Print/export Download as PDF; ... 1-Phenyl-1-pentanone Valerophenone Butyl phenyl ketone n-Butyl phenyl ketone. ... Safety data sheet (SDS)