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Highly Enantioselective Copper-Catalyzed Allylic Alkylation with Phosphoramidite Ligands

✍ Scribed by Anthoni W. van Zijl; Leggy A. Arnold; Adriaan J. Minnaard; Ben L. Feringa

Publisher: John Wiley and Sons
Year: 2004
Tongue: English
Weight: 171 KB
Volume: 346
Category: Article
ISSN: 1615-4150
DOI: 10.1002/adsc.200303207

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✦ Synopsis

Abstract

New phosphoramidites were applied as chiral ligands in the Cu‐catalyzed allylic alkylation with dialkylzinc reagents. A variety of substrates, reagents and chiral ligands were screened, resulting in improved catalytic methodology for allylic bromides in which enantioselectivities up to 88% were reached.

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