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ChemInform Abstract: Enantioselective Lithiation and Substitution of (E)-Cinnamyl N,N-Diisopropylcarbamate Through Use of (-)-Sparteine Complexes.

✍ Scribed by K. BEHRENS; R. FROEHLICH; O. MEYER; D. HOPPE


Publisher
John Wiley and Sons
Year
2010
Weight
34 KB
Volume
30
Category
Article
ISSN
0931-7597

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Enantioselective Lithiation and Substitu
✍ Karin Behrens; Roland FrΓΆhlich; Oliver Meyer; Dieter Hoppe πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 268 KB πŸ‘ 2 views

The title reaction leads to diastereomeric lithium carbanion acylation with acid chlorides, stannylation, and silylation take place at the Ξ±-position with stereoinversion (79-86% pairs that are configurationally unstable and equilibrate even at temperatures below -50 Β°C. The initially formed epimer