C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/583.5
C07C 49/597 (2006.01) C07C 45/45 (2006.01)
Patent
CA 1108647
METHOD FOR SYNTHESIS OF 2-HYDROXY-3-METHYL CYCLOPENT-2-ENE-l-ONE ABSTRACT OF THE DISCLOSURE The known compound 2-hydroxy-3-methyl cyclopent-2- ene-l-one, used as a flavor imparting agent and commonly called maple lactone, is synthesized by a modifed acyloin condensation of esters of 2-methyl glutaric acid in which oxygen is introduced to the reaction system after the ester reactant has been combined with an alkali metal, e.g. sodium, in a solvent, e.g. liquid ammonia.
326365
El Paso Products Company
Kirby Eades Gale Baker
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