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EnglishTwo novel chiral C-2-symmetrical ferrocenyl 'salen-type' ligands were prepared via reaction of suitable ferrocenyldiamines with 3,5-di-tert-butylsalicylaldehyde and tested in the asymmetric epoxidation of unfunctionalized alkenes. Although the asymmetric induction was quite low, an unusually high trans/cis-epoxide ratio and high reactivity of a trans-alkene substrate were observed. (c) 2007 Elsevier Ltd. All rights reserved.
Two novel chiral C2-symmetrical ferrocenyl ‘salen-type’ ligands were prepared via reaction of suitable ferrocenyldiamines with 3,5-di-tert-butylsalicylaldehyde and tested in the asymmetric epoxidation of unfunctionalized alkenes. Although the asymmetric induction was quite low, an unusually high trans/cis-epoxide ratio and high reactivity of a trans-alkene substrate were observed.
| Titolo: | Synthesis of novel chiral salen-type ferrocenyl ligands |
| Autori interni: | |
| Data di pubblicazione: | 2007 |
| Rivista: | |
| Handle: | http://hdl.handle.net/20.500.11769/5989 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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