Asymmetric 1,2-addition of organolithiums to aldimines catalyzed by chiral ligand
β Scribed by Isao Inoue; Mitsuru Shindo; Kenji Koga; Kiyoshi Tomioka
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- French
- Weight
- 705 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0040-4020
No coin nor oath required. For personal study only.
β¦ Synopsis
An asymmetric 1,2-addition reaction of organolithiums with imines 3, 7 was catalyzed by a 0.05-1.3 equivalent of a chiral amino ether 2 to provide the corresponding optically active amines 4, 8.
π SIMILAR VOLUMES
## Abstract A new family of benzeneβbased chiral heterodisulfoxide ligands **L1**β**L5** was synthesized in a single step. These disulfoxide ligands were applied in the rhodiumβcatalyzed asymmetric 1,4βaddition of arylboronic acids to chromenones. The addition of diverse arylboronic acids to chrome
Design, Synthesis, and Application of a C 2 Symmetric Chiral Ligand for Enantioselective Conjugate Addition of Organolithium to Ξ±,Ξ²-Unsaturated Aldimine. -Acyclic aldimines (I), cyclic aldimines (IV), and naphthaldehyde imines like (VI) undergo enantioselective conjugate additions to organolithiums