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46.5.1.1 Method 1: Nickel-Catalyzed Aldehyde–Alkyne and Aldehyde–Enyne Coupling

DOI: 10.1055/sos-SD-046-00090

Gandon, V.; Thorimbert, S.; Malacria, M.Science of Synthesis, (200946173.

Nickel complexes are the catalysts of choice for the coupling of electron-poor alkenes, especially α,β-unsaturated aldehydes, ketones, or esters with alkynes and enynes (see also Section 46.5.2.2.7). Simple acyclic 1,3-dienes and dienols may also be prepared using bis(η4-cycloocta-1,5-diene)nickel(0) and various transmetalating agents.


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