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Methyllithium-Promoted Wittig Rearrangements of α-Alkoxysilanes

✍ Scribed by Maleczka,, Robert E.; Geng, Feng

Book ID
126231287
Publisher
American Chemical Society
Year
1999
Tongue
English
Weight
60 KB
Volume
1
Category
Article
ISSN
1523-7060

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Diastereoselective [2,3] Wittig rearrang
Diastereoselective [2,3] Wittig rearrangement of tertiary α-lithio ethers
✍ Michael Balestra; James Kallmerten* 📂 Article 📅 1988 🏛 Elsevier Science 🌐 French ⚖ 255 KB

## Tertiary allylic methyl(ni-n-butylstannyl) ethers undergo transmetallation and subsequent diastereoselectve [2,3] Wittig rearrangement, wherein chiraliry transfer and olefin selectivity for the [2,3] sigmatropic event is mediated by a stereogenic center external to the sigrnatropic frnmework.