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Direct Observation of Enantiomer Discrimination of Epoxides by Chiral Salen Complexes Using ENDOR

✍ Scribed by Fallis, Ian A.; Murphy, Damien M.; Willock, David J.; Tucker, Richard J.; Farley, Robert D.; Jenkins, Robert; Strevens, Robert R.


Book ID
120806515
Publisher
American Chemical Society
Year
2004
Tongue
English
Weight
53 KB
Volume
126
Category
Article
ISSN
0002-7863

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Enantioselective epoxidation of olefins
✍ Xiaoquan Yao; Huilin Chen; Weiran LΓΌ; Guizhi Pan; Xinquan Hu; Zhuo Zheng πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 French βš– 62 KB

Two novel chiral poly-salen-Mn(III) complexes 1 and 2, derived from (R,R)-1,2-diaminocyclohexane and the disalicylaldehydes 5 and 6 were synthesized and employed in the enantioselective epoxidation of olefins. A range of 30-92% ee and 75-97% yield was achieved in NaClO/4-PPNO and m-CPBA/NMO oxidant