An efficient Cu(II)-bis(oxazoline)-based polymer immobilised ionic liquid phase catalyst for asymmetric carbon-carbon bond formation

被引:37
|
作者
Doherty, Simon [1 ]
Knight, Julian G. [1 ]
Ellison, Jack R. [1 ]
Goodrich, Peter [2 ]
Hall, Leanne [2 ]
Hardacre, Christopher [2 ]
Muldoon, Mark J. [2 ]
Park, Soomin [2 ]
Ribeiro, Ana [3 ,4 ]
Nieto de Castro, Carlos Alberto [3 ,4 ]
Lourenco, Maria Jose [3 ,4 ]
Davey, Paul [5 ]
机构
[1] Newcastle Univ, Sch Chem, NUCAT, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
[2] Queens Univ Belfast, Sch Chem & Chem Engn, QUILL Res Ctr, Belfast BT9 5AG, Antrim, North Ireland
[3] Univ Lisbon, Fac Ciencias, Dept Quim & Bioquim, P-1749016 Lisbon, Portugal
[4] Univ Lisbon, Fac Ciencias, Ctr Ciencias Mol & Mat, P-1749016 Lisbon, Portugal
[5] Givaudan, Schweiz AG, CH-8600 Dubendorf, Switzerland
关键词
ENANTIOSELECTIVE CYCLOPROPANATION REACTIONS; MUKAIYAMA ALDOL REACTION; DIELS-ALDER REACTION; CHIRAL CATALYSTS; BIS(OXAZOLINE)-COPPER COMPLEXES; HETEROGENEOUS CATALYST; METAL-COMPLEXES; CYCLOPENTADIENE;
D O I
10.1039/c3gc41378k
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The asymmetric Diels-Alder reaction between N-acryloyloxazolidinone and cyclopentadiene and the Mukaiyama-aldol reaction between methylpyruvate and 1-phenyl-1-trimethylsilyloxyethene have been catalysed by heterogeneous copper(II)-bis(oxazoline)-based polymer immobilised ionic liquid phase (PIILP) systems generated from a range of linear and cross linked ionic polymers. In both reactions selectivity and ee were strongly influenced by the choice of polymer. A comparison of the performance of a range of Cu(II)-bis(oxazoline)-PIILP catalyst systems against analogous supported ionic liquid phase (SILP) heterogeneous catalysts as well as their homogeneous counterparts has been undertaken and their relative merits evaluated.
引用
收藏
页码:1470 / 1479
页数:10
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