Method for the preparation of alkyl esters of 3,4-...

Details Method for the preparation of alkyl esters of 3,4-... Method for the preparation of alkyl esters of 3,4-...

C - Chemistry, Metallurgy

07

D

260/369.5

C07D 301/12 (2006.01) B01J 31/18 (2006.01) C07D 303/40 (2006.01)

Patent

CA 1261862

ABSTRACT Method for the preparation of an alkyl ester of 3,4-epoxybutyric acid, of formula: Image R being a linear or branched alkyl group, containing from 4 to 10 C atoms, wherein the corresponding vinylacetate is catalyti= cally oxidized in a biphasic liquid system comprising: a) an aqueous phase, containing H2O2 as oxidizing agent; b) an organic phase, containing said vinylacetate and a cata- lyst selected from peroxidic compounds of formula: (R1 R2 R3 R4 N)3 PW4O24 as well as, optionally, a solvent immiscible with the aqueous phase.

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