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CuI-catalyzed intramolecular O-vinylation of carbonyl compounds.

Chemical communications (Cambridge, England) (2005-07-13)
Yewen Fang, Chaozhong Li
RESUMO

The first copper-catalyzed intramolecular O-vinylation of carbonyl compounds with vinyl bromides was reported, among which the efficient formation of 5-, 6- and even 7-membered cyclic alkenyl ethers was achieved with beta-ketoesters as nucleophiles.

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Vinyl bromide solution, 1.0 M in THF