Tetrahedron Letters p. 5271 - 5274 (1982)
Update date:2022-07-29
Topics:
Moreau, Jean Louis
Couffignal, Rene
The organolithium reagent 4 issued from trimethylsilyl 4,4-ethylendioxypentanoate 3 reacts with ketones ; it affords β-hydroxy-acids 7 and β-ethylenic ketones 8.This reaction is an efficient route for carbonyl olefination. 4 also acts towards mixed carboxylic and carbonic anhydrides as a homoenolate equivalent.
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