Highly Active Chiral Ruthenium-Based Metathesis Catalysts through a Monosubstitution in the N-Heterocyclic Carbene

被引:66
作者
Tiede, Sascha [1 ]
Berger, Anke [1 ]
Schlesiger, David [1 ]
Rost, Daniel [1 ]
Luehl, Anja [1 ]
Blechert, Siegfried [1 ]
机构
[1] Tech Univ Berlin, Inst Chem, D-10623 Berlin, Germany
关键词
amino acids; asymmetric catalysis; N-heterocyclic carbenes; olefin metathesis; ruthenium; RING-OPENING/CROSS-METATHESIS; ASYMMETRIC OLEFIN METATHESIS; EFFICIENT ENANTIOSELECTIVE SYNTHESIS; ALKYLIDENE COMPLEXES; ALLYLIC ALKYLATION; NHC-BACKBONE; LIGANDS; DEACTIVATION; ACTIVATION;
D O I
10.1002/anie.201000940
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Chemical Equotion Present) Single (substitution) is better: New chiral ruthenium metathesis (pre)catalysts with a monosubstituted carbon atom in the N-heterocyclic carbene ligand are highly stable in solution, initiate easily, show very high enantioselectivity and excellent E selectivity in asymmetric ring-opening cross-metathesis (see scheme).© 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:3972 / 3975
页数:4
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