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Asymmetric Alkylation of Chiral α,β-unsaturated lactones

✍ Scribed by Keisuke Kato; Hiroshi Suemune; Kiyoshi Sakaik̊


Publisher
Elsevier Science
Year
1992
Tongue
French
Weight
151 KB
Volume
33
Category
Article
ISSN
0040-4039

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📜 SIMILAR VOLUMES


Direct alkylation of α,β - unsaturated a
✍ S.A.G. de Graaf; P.E.R. Oosterhoff; A. van der Gen 📂 Article 📅 1974 🏛 Elsevier Science 🌐 French ⚖ 181 KB

Alkylation of aldehydes, as a rule. requires transformation into intermediates such as enamines, to prevent base-catalysed condensations'. Only recently a direct alkylation with the aid of a phase-transfer catalyst, of aldehydes with a single a-hydrogen atom, was describedL. To our knowledge, the di