期刊
TETRAHEDRON-ASYMMETRY
卷 22, 期 3, 页码 373-378出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetasy.2011.02.005
关键词
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资金
- Fonds der Chemischen Industrie
- Alexander von Humboldt Stiftung
Starting from inexpensive materials and following simple protocols various N-phosphorylated sulfoximines and sulfinamides have been synthesized. The newly prepared compounds were then applied as chiral ligands in asymmetric transition metal catalysis. Phosphorus triamide-type ligands derived from (S)-glutamic acid were found to be the most efficient stereoselectors in enantioselective palladium-catalyzed allylic substitutions (up to 97% ee). On the other hand, diamidophosphite-type structures stemming from (S)-proline were the best ligands in rhodium-catalyzed hydrogenation reactions (up to 84% ee). (C) 2011 Elsevier Ltd. All rights reserved.
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