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- W1979655271 abstract "Abstract Reaction of β,β-bis(trifluoromethyl)acrylic esters 1 with nucleophilic reagents in aprotic media has been studied. A regioselective addition-elimination is observed leading to compounds 3 (ethyl α substituted 3-trifluoromethyl-4,4-difluorobut-3-enoate). The second CF 3 dramatically changes the reactivity of the acrylic ester as there is no classical Michael addition as for β-trifluoromethylacrylic ester [1]. In the case of amines, a mixture of 3 and saturated products 4 is obtained. Traces of 4 are also formed with anionic reagents. So, regioselective formation of carbanion 2 followed by a fluoride ion elimination is postulated." @default.
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- W1979655271 date "1991-09-01" @default.
- W1979655271 modified "2023-09-27" @default.
- W1979655271 title "Regioselective nucleophilic additon-elimination to β,β-bis(trifluoromethyl) acrylic esters" @default.
- W1979655271 doi "https://doi.org/10.1016/s0022-1139(00)83804-x" @default.
- W1979655271 hasPublicationYear "1991" @default.
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