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Une nouvelle méthode de cyclisation : la condensation intramoléculaire de phosphoranes ω-époxydiques.

✍ Scribed by Alain Turcant; Maurice Le Corre


Publisher
Elsevier Science
Year
1977
Tongue
French
Weight
141 KB
Volume
18
Category
Article
ISSN
0040-4039

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## Abstract A new synthesis of β‐hydroxyesters involving a reaction between a carbonyl compound, ketene and an alkyl‐orthotitanate is described. The following carbonyl compounds have been studied: aldehydes, ketones, α‐diketones, α‐ or γ‐ketoesters. A reaction mechanism is proposed.