Enantioselective Lithiation and Substitu
β
Karin Behrens; Roland FrΓΆhlich; Oliver Meyer; Dieter Hoppe
π
Article
π
1998
π
John Wiley and Sons
π
English
β 268 KB
π 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