Tetrahedron Letters p. 1471 - 1474 (1984)
Update date:2022-08-03
Topics:
Duhamel, Pierre
Poirier, Jean-Marie
Hennequin, Laurent
Reaction of hemiacetal vinylogs 1 with β-halo silyl enol ethers 2 in the presence of boron trifluoride etherate yields α-halo 1,5-dicarbonyl compounds 3 .Functionalized cyclopropanes 4 are obtained by reaction of diketones 3 in ethanolic potassium hydroxi
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