A tandem Finkelstein-rearrangement–elimination reaction: a straightforward synthetic route to allyl esters
Oromí Farrús, Mireia
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Allyl esters can be obtained by a Finkelstein-rearrangement–elimination reaction of 2-chloro-1-(chloromethyl)ethyl esters induced by NaI. Sodium iodide can be used below equivalence using a reductive agent as sodium thiosulfate. High yields are obtained with most of the diverse esters studied. The method
described avoids the use of allyl alcohol as a reagent. 2-Chloro-1-(chloromethyl)ethyl esters are prepared from glycerol, the main by-product of biodiesel industry. The effectiveness of iodine as reagent to hydrolyze allyl esters is also confirmed.
Is part ofTetrahedron, 2009, vol. 65, núm. 25, p. 4866–4870
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