Enantioselective Cu-catalyzed 1,4-addition of Grignard reagents to cyclohexenone using taddol-derived phosphine-phosphite ligands and 2-methyl-THF as a solvent.
Robert
Tobias
T
Institut für Organische Chemie, Universität zu Köln, Greinstrasse 4, 50939 Köln, Germany.
Velder
Janna
J
Schmalz
Hans-Günther
HG