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Novel Asymmetric Wittig Reaction: Synthesis of Chiral Allenic Esters

✍ Scribed by Teresa M. V. D. Pinho e Melo; Ana L. Cardoso; António M. d’A. Rocha Gonsalves; João Costa Pessoa; José A. Paixão; Ana M. Beja

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
196 KB
Volume
2004
Category
Article
ISSN
1434-193X

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📜 SIMILAR VOLUMES

Contribution to the synthesis of chiral
Contribution to the synthesis of chiral allenic esters
✍ Teresa M.V.D. Pinho e Melo; Ana L. Cardoso; António M.d'A. Rocha Gonsalves; Rich 📂 Article 📅 2003 🏛 Elsevier Science 🌐 French ⚖ 172 KB

A phosphorus ylide bearing a 10-phenylsulfonylisoborneol unit reacted with ketenes, generated in situ from acid chlorides and triethylamine, to give allenic compounds. The reaction with methylketene led to asymmetric induction with the selective synthesis of an allene with axial chirality correspond