共 44 条
Enantioselective Enolate Protonations: Friedel-Crafts Reactions with α-Substituted Acrylates
被引:54
作者:

Sibi, Mukund P.
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机构:
N Dakota State Univ, Dept Chem & Mol Biol, Fargo, ND 58105 USA N Dakota State Univ, Dept Chem & Mol Biol, Fargo, ND 58105 USA

Coulomb, Julien
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机构:
N Dakota State Univ, Dept Chem & Mol Biol, Fargo, ND 58105 USA N Dakota State Univ, Dept Chem & Mol Biol, Fargo, ND 58105 USA

Stanley, Levi M.
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机构:
N Dakota State Univ, Dept Chem & Mol Biol, Fargo, ND 58105 USA N Dakota State Univ, Dept Chem & Mol Biol, Fargo, ND 58105 USA
机构:
[1] N Dakota State Univ, Dept Chem & Mol Biol, Fargo, ND 58105 USA
基金:
美国国家科学基金会;
关键词:
alkylation;
asymmetric catalysis;
chiral auxiliaries;
enantioselectivity;
nitrogen heterocycles;
D O I:
10.1002/anie.200804221
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
(Chemical Equation Presented) Templates rule: A Zn(NTf2) 2/1 catalyzed tandem Friedel-Crafts alkylation/enantioselective protonation of pyrroles with isoxazolidinone-derived α-substituted a,b-unsaturated imides, provides high levels of rotamer control and enantioselectivity in the tandem sequence, and affords pyrrole derivatives in good-toexcellent yields (68-98%) and enantioselectivities (43-98% ee). © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.
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页码:9913 / 9915
页数:3
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