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Nickel-catalyzed couplings and cyclizations involving allenes, aldehydes, and organozincs

Minsoo Song and John Montgomery

*University of Michigan, Department of Chemistry, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, Email:

M. Song, J. Montgomery, Tetrahedron, 2005, 61, 11440-11448.

DOI: 10.1016/j.tet.2005.08.066

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Cyclizations of allenyl aldehydes and intermolecular couplings of allenes and aldehydes provide homoallylic alcohols. The couplings and cyclizations involve the use of diorganozinc reagents as reducing agents and Ni(COD)2 as the catalyst.

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Key Words

Cyclizations, Couplings, π-System, Cyclopentanols, Homoallylic Alcohols

ID: J72-Y2005-3190