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α,β-unsaturated carboxylic esters from alkynes catalyzed by homogeneous palladium complexes

✍ Scribed by John F. Knifton


Publisher
Elsevier Science
Year
1977
Weight
353 KB
Volume
2
Category
Article
ISSN
0304-5102

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Palladium-catalyzed preparation of α-all
✍ Jro Tsuji; Kazuhiko Takahashi; Ichiro Minami; Isao Shimizu 📂 Article 📅 1984 🏛 Elsevier Science 🌐 French ⚖ 198 KB

Reaction of ketene silyl acetals with allylic carbonates in the presence of palladium-phosphine catalyst in dioxane gives a-ally1 esters in high yields. When the reaction is carried out with phosphine-free palladium catalyst in nitriles,cl,fi-unsaturated esters are obtained in good yields. We have