Zhao Yu
2010
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Journal
Flavour Fragrance Cosmetics
Abstract
Methyl 3-(2-oxo-cyclohexyl)propionate is synthesized through the Michael addition of cyclohexanone to methyl acrylate catalyzed by anhydrous potassium carbonate. It is converted to octahydro-2H-1-benzopyran-2-one after being hydrolyzed, reduced the to δ-hydroxy group with NaBH 4 and acidified. Total yield is 55%. Octahydro-2H-1-benzopyran-2-one can be used as a satisfactory tobacco additive is proved.