Abstract
Reaction of a—haloketones with aldehydes in the presence of either SmI 3 or Sm/I 2 formed the carboncarbon double bond to give α,β—unsaturated ketones in good to excellent yields under mild conditions. Samarium ( III ) enolates formed from the dehalogenation of α—haloketones by SmI 3 were assumed to be the reaction intermediates.
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