Chiral ferrocene-based phosphine-imine and sulfur-imine ligands for palladium-catalyzed asymmetric allylic alkylation of cycloalkenyl esters
✍ Scribed by Xiangping Hu; Changmin Bai; Huicong Dai; Huilin Chen; Zhuo Zheng
- Book ID
- 108211326
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 110 KB
- Volume
- 218
- Category
- Article
- ISSN
- 1381-1169
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📜 SIMILAR VOLUMES
A new family of phosphine-imine and phosphine-amine ligands based on D-glucosamine were synthesized in order to probe previous asymmetric allylic alkylation results with those of disaccharide ligands of the same class. In most cases, good-to-excellent activities and enantioselectivies were observed
Optically active Cr-complexed imine±phosphine hybrid ligands having only a planar chirality showed excellent enantioselectivity for the palladium-catalyzed allylic alkylation with predictable absolute con®guration.
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