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New phosphine-imine and phosphine-amine ligands derived from D-gluco-, D-galacto- and D-allosamine in Pd-catalysed asymmetric allylic alkylation
被引:5
|作者:
Szulc, Izabela
[1
]
Kolodziuk, Robert
[1
]
Zawisza, Anna
[1
]
机构:
[1] Univ Lodz, Dept Organ & Appl Chem, Tamka 12, PL-91403 Lodz, Poland
来源:
关键词:
D-glucosamine;
D-galactosamine;
D-allosamine;
Iminophosphine;
Aminophosphine;
Homogeneous catalysis;
Asymmetric alkylation;
Palladium;
D-GLUCOSAMINE;
ENANTIOSELECTIVE HYDROGENATION;
CONJUGATE ADDITION;
OXAZOLINE LIGANDS;
CARBOHYDRATE PHOSPHINITES;
TRIALKYLALUMINUM ADDITION;
BIS(OXAZOLINE) LIGAND;
REMOTE STEREOCENTERS;
DIPHOSPHITE LIGANDS;
VERSATILE LIGANDS;
D O I:
10.1016/j.tet.2018.02.009
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
New phosphine-imine and phosphine-amine chiral ligands which were easily prepared from D-gluco-, D-galacto-and D-allosamine furnished a high level of enantiomeric excess (up to 99%) in the Pd(0)-catalysed asymmetric allylic alkylation of racemic 1,3-diphenyl-2-propenyl acetate with malonates. (C) 2018 Elsevier Ltd. All rights reserved.
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页码:1476 / 1485
页数:10
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