Enantioenriched beta-amino alcohols were prepared via an asymmetric addition of diethylzinc, catalyzed by the BozPHOS center dot Cu(I) complex, on in situ formed N-phosphinoylimines. The nature of the hydroxyl protecting groups was found to affect the enantioselectivities. Subsequent deprotection and oxidation of N-phosphinoyl beta-amino alcohols afforded optically active alpha-amino acids (97% ee). (c) 2005 Elsevier Ltd. All rights reserved.
机构:
Ohio State Univ, Coll Pharm, Div Med Chem & Pharmacognosy, Columbus, OH 43210 USAOhio State Univ, Coll Pharm, Div Med Chem & Pharmacognosy, Columbus, OH 43210 USA
Bergmeier, SC
;
Arason, KM
论文数: 0引用数: 0
h-index: 0
机构:
Ohio State Univ, Coll Pharm, Div Med Chem & Pharmacognosy, Columbus, OH 43210 USAOhio State Univ, Coll Pharm, Div Med Chem & Pharmacognosy, Columbus, OH 43210 USA
机构:
Ohio State Univ, Coll Pharm, Div Med Chem & Pharmacognosy, Columbus, OH 43210 USAOhio State Univ, Coll Pharm, Div Med Chem & Pharmacognosy, Columbus, OH 43210 USA
机构:
Ohio State Univ, Coll Pharm, Div Med Chem & Pharmacognosy, Columbus, OH 43210 USAOhio State Univ, Coll Pharm, Div Med Chem & Pharmacognosy, Columbus, OH 43210 USA
Bergmeier, SC
;
Arason, KM
论文数: 0引用数: 0
h-index: 0
机构:
Ohio State Univ, Coll Pharm, Div Med Chem & Pharmacognosy, Columbus, OH 43210 USAOhio State Univ, Coll Pharm, Div Med Chem & Pharmacognosy, Columbus, OH 43210 USA
机构:
Ohio State Univ, Coll Pharm, Div Med Chem & Pharmacognosy, Columbus, OH 43210 USAOhio State Univ, Coll Pharm, Div Med Chem & Pharmacognosy, Columbus, OH 43210 USA