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Preparation of Fragrant Allyl Esters

Ivana Luštická, Eliška Leitmannová and Libor Cˇ ervený, Institute of Chemical Technology, Prague, Czech Republic

This article explains the process of preparing methyl-cyclohexyloxyacetate, allylcyclohexyloxyacetate, methyl-cyclohexylpropionate and allyl-cyclohexylpropionate—the fragrant odoriferous substances used in the food and perfumery industry. The objective of these experiments was to find suitable reaction conditions (catalyst, temperature, pressure, and catalyst amount) for the hydrogenation of methyl-phenoxyacetate to methyl-cyclohexyloxyacetate and consequently, apply the discovered conditions to the hydrogenation of methyl-cinnamate to methyl-cyclohexylpropionate (see F-1). Further aim was to find a suitable basic or acidic catalyst for the transesterification of the methyl esters acquired by hydrogenation to the relevant allyl esters.

This is only an excerpt of the full article that appeared in P&F Magazine. The full content is not currently available online.

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