New biphenol-based, fine-tunable monodentate phosphoramidite ligands for catalytic asymmetric transformations.
basic_science · Level V
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- Record sourced from PubMed, PMID 15020764.
- Also identified by PMC identifier 397395.
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Abstract
Monodentate phosphoramidite ligands have been developed based on enantiopure 6,6'-dimethylbiphenols with axial chirality. These chiral ligands are easy to prepare and flexible for modifications. The fine-tuning capability of these ligands plays a significant role in achieving high enantioselectivity in the asymmetric hydroformylation of allyl cyanide and the conjugate addition of diethylzinc to cycloalkenones.
Medical subject headings
- Organophosphorus Compounds
- Phenols