Facile axial chirality control by using a precursor with central chirality. Application to the preparation of new axially chiral diphosphine complexes for asymmetric catalysis
- 1 October 2002
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 21,p. 2546-2547
- https://doi.org/10.1039/b207399d
Abstract
A diastereoselective synthesis of a new chiral diphosphine with planar chirality is performed in 2 steps from (S)-p-tolylferrocenyl sulfoxide with 60% overall yield. The ligand gives enantioselectivities up to 98% ee in Pd(0)-catalyzed allylic substitution reactions.Keywords
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