Two novel chiral C2-symmetrical ferrocenyl ‘salen-type’ ligands were prepared via reaction of suitable ferrocenyldiamines with3,5-di-tert-butylsalicylaldehyde and tested in the asymmetric epoxidation of unfunctionalized alkenes. Although the asymmetric inductionwas quite low, an unusually high trans/cis-epoxide ratio and high reactivity of a trans-alkene substrate were observed.
Synthesis of novel chiral salen-type ferrocenyl ligands
BALLISTRERI, Francesco Paolo;TOMASELLI, Gaetano;TOSCANO, Rosa Maria
2007-01-01
Abstract
Two novel chiral C2-symmetrical ferrocenyl ‘salen-type’ ligands were prepared via reaction of suitable ferrocenyldiamines with3,5-di-tert-butylsalicylaldehyde and tested in the asymmetric epoxidation of unfunctionalized alkenes. Although the asymmetric inductionwas quite low, an unusually high trans/cis-epoxide ratio and high reactivity of a trans-alkene substrate were observed.File in questo prodotto:
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