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2.1.9.5 Allylation of Carbonyl and Other Unsaturated Compounds

DOI: 10.1055/sos-SD-002-00002

Oshima, K.Science of Synthesis, (2003246.

σ-Allylmanganese complexes can be used to allylate various unsaturated compounds. For example, the allylation of an aldehyde, mediated by manganese powder in water in the presence of a catalytic amount of copper shows exclusive selectivity toward aromatic aldehydes.[‌85‌] Benzaldehyde is similarly allylated by allyl(bromo)manganese(II), formed from metallic manganese and allyl bromide (Scheme 49).[‌78‌] Another example of the application of allyl(bromo)manganese(II), here also prepared from manganese metal, is its reaction with cyclododecanone (Scheme 49).[‌86‌]

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References