Novel biphenol phosphoramidite ligands for the enantioselective copper catalyzed conjugate addition of dialkyl zincs

Citation
A. Alexakis et al., Novel biphenol phosphoramidite ligands for the enantioselective copper catalyzed conjugate addition of dialkyl zincs, SYNLETT, (9), 2001, pp. 1375-1378
Citations number
43
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
SYNLETT
ISSN journal
09365214 → ACNP
Issue
9
Year of publication
2001
Pages
1375 - 1378
Database
ISI
SICI code
0936-5214(200109):9<1375:NBPLFT>2.0.ZU;2-R
Abstract
Phosphoramidite ligands, based on a chiral amine and atropoisomerically fle xible biphenols, induce high enantioselectivities (ee's up to 98%) in the c opper-catalyzed conjugate addition of dialkyl zinc reagents to a variety of Michael acceptors.