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Nickel-Catalyzed Cyclizations and Couplings with Vinylzirconium Reagents

2002; American Chemical Society; Volume: 4; Issue: 10 Linguagem: Inglês

10.1021/ol025812+

1523-7060

Yike Ni, Kande K. D. Amarasinghe, John Montgomery,

Catalytic Alkyne Reactions

[reaction: see text] 1,3-Dienes were prepared by a variety of nickel-catalyzed couplings and cyclization processes. Intermolecular or partially intramolecular couplings of alkynes, vinylzirconium reagents, and either aldehydes or enones efficiently proceeded to generate a broad range of functionalized dienes.