ChemInform Abstract: Sequential Double α-Arylation of N-Allylureas by Asymmetric Deprotonation and N→C Aryl Migration.
✍ Scribed by Daniel J. Tetlow; Ulrich Hennecke; James Raftery; Michael J. Waring; David S. Clarke; Jonathan Clayden
- Publisher
- John Wiley and Sons
- Year
- 2011
- Weight
- 37 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0931-7597
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📜 SIMILAR VOLUMES
## Abstract Axially chiral N—C bonds are obtained in products (II) by diastereoselective migration of Cr(CO)~3~ from the benzene ring in (I) to the acridane or phenoxazine system in (II).
Asymmetric Syntheses of Derivatives of β-and γ-Aryl and α-Alkyl Amino Acids Using n-BuLi/(-)-Sparteine. -Alkylation of N-Boc and N-arylmethyl or N-cinnamyl p-anisidines with BuLi/(-)-sparteine allows the efficient synthesis of highly enantioenriched derivatives which can be transformed into a varie