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Intramolecular acryloxypalladation. Stereospecific synthesis of ring fused unsaturated α-methylene γ-butyrolactones

✍ Scribed by Sylvaine Jabre-Truffert; Bernard Waegell


Book ID
104256189
Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
96 KB
Volume
38
Category
Article
ISSN
0040-4039

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Asymmetric synthesis of α-methylene-γ-bu
✍ Kiyoshi Nishitani; Koji Yamakawa 📂 Article 📅 1991 🏛 Elsevier Science 🌐 French ⚖ 263 KB

## Optically active a-methylene-y-butyrolactones fused to five or six-membered carbocyclic ring were synthesized in 64-9270 enantiomeric excess using the intramolecular Hosomi reaction of w-formylated p-(chiral)akqcarbonylallylsilanes. In 1987 we reported a facile synthesis of a-methylene-y-lacton