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γ-Alkylation of unsaturated ketones and esters: zinc bromide-catalysed alkylation of O-silylated dienolates

✍ Scribed by Ian Fleming; John Goldhill; Ian Paterson

Publisher
Elsevier Science
Year
1979
Tongue
French
Weight
216 KB
Volume
20
Category
Article
ISSN
0040-4039

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✦ Synopsis

The O-silylated dienolates of unsaturated ketones and esters can be alkylated using zinc bromide catalysis to give predominantly the y-alkylated carbonyl compounds. The substitution pattern of the substrate (11, favours, in certain cases, very high or complete y-selectivity.

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