A highly efficient enantioselective organozinc (R2Zn) addition to ketones catalyzed by chiral phosphoramide-Zn(II) complexes (1-10 mol %) has been developed. These complexes serve as conjugate Lewis acid-Lewis base catalysts. Chiral phosphoramides are derived from an inexpensive natural amino acid (i.e., L-valine). From a variety of nonactivated aromatic and aliphatic ketones, the corresponding optically
PHOSPHOROAMIDE COMPOUND, METHOD FOR PRODUCING THE SAME, LIGAND, COMPLEX, CATALYST, AND METHOD FOR PRODUCING OPTICALLY ACTIVE ALCOHOL
申请人:National University Corporation Nagoya University
公开号:EP2128167A1
公开(公告)日:2009-12-02
Disclosed is a method for highly efficiently obtaining an optically active alcohol from a carbonyl compound highly enantioselectively. Also disclosed is a ligand used in such a method. Specifically, an optically active alcohol is obtained by reacting a carbonyl compound and an organozinc compound by using a ligand (L) shown below.
PHOSPHORAMIDE COMPOUND, METHOD FOR PRODUCING THE SAME, LIGAND, COMPLEX, CATALYST AND METHOD FOR PRODUCING OPTICALLY ACTIVE ALCOHOL
申请人:Ishihara Kazuaki
公开号:US20100113786A1
公开(公告)日:2010-05-06
Disclosed is a method for highly efficiently obtaining an optically active alcohol from a carbonyl compound highly enantioselectively. Also disclosed is a ligand used in such a method. Specifically, an optically active alcohol is obtained by reacting a carbonyl compound and an organozinc compound by using a ligand (L) shown below.