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  • Title: A novel chiral ferrocenyl phosphine ligand from sugar: applications in Rh-catalyzed asymmetric hydrogenation reactions.
    Author: Liu D, Li W, Zhang X.
    Journal: Org Lett; 2002 Dec 12; 4(25):4471-4. PubMed ID: 12465915.
    Abstract:
    [structure: see text] A new chiral ferrocenyl diphosphine ligand 3 was synthesized from readily available D-mannitol. Rh-complex with this ligand showed high enantioselectivity and reactivity in the asymmetric hydrogenation of dehydroamino acid derivatives and itaconic acid derivatives. Up to over 99% ee and 10 000 TON were achieved with this catalytic system.
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