Asymmetric Copper-Catalyzed Addition of Grignard Reagents to Aryl Alkyl Ketones
作者:Ashoka V. R. Madduri、Syuzanna R. Harutyunyan、Adriaan J. Minnaard
DOI:10.1002/anie.201109040
日期:2012.3.26
Chiral tertiary alcohols: A copper(I) catalyst with a chiral ferrocenyl diphosphine ligand facilitates the additive‐free 1,2‐addition of readily available Grignardreagents to aromatic ketones, thus providing access to chiral tertiary alcohols with excellent yields and enantioselectivities.
Synthesis of new derivatives of copper complexes of Josiphos family ligands for applications in asymmetric catalysis
作者:R. Oost、J. Rong、A. J. Minnaard、S. R. Harutyunyan
DOI:10.1039/c4cy00180j
日期:——
A series of new copper complexes containing chiral ferrocenyl diphosphine ligands of the Josiphos family have been prepared. These complexes have been studied in the catalytic asymmetric 1,2-addition of Grignard reagents to enones and aromatic ketones. Variation of the electronic and steric properties of the ligand resulted in a positive effect in the regio- and enantioselectivity of Grignard reagents