Tetrahedron Letters p. 9259 - 9262 (1994)
Update date:2022-08-29
Topics:
Paleta, Oldrich
Pelter, Andrew
Kebrle, Josef
Addition of Q-nucleophiles and Grignard reagents in the presence of copper(I) bromide-dimethyl sulphide to 2,3-difluoro-4,4-dimethylbut-2-enolide proceeds by 1,4-addition and expulsion of a fluoride anion to give 4-substituted butenolides. Organolithium r
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