On the Immobilization of Ruthenium Metathesis Catalysts in Imidazolium Ionic Liquids

被引：20
|
作者：
Consorti, Crestina S. [1 ]
Aydos, Guilherme L. P. [1 ]
Ebeling, Guenter [1 ]
机构：
[1] Univ Fed Rio Grande do Sul, Inst Chem, Lab Mol Catalysis, BR-91501970 Porto Alegre, RS, Brazil
来源：
ORGANOMETALLICS | 2009年 / 28卷 / 15期
关键词：
RING-CLOSING METATHESIS; OLEFIN METATHESIS; RECYCLABLE CATALYST; CARBENE COMPLEX; SALTS; PHOSPHINES; CHEMISTRY; PRECURSOR; SOLVENTS;
D O I：
10.1021/om900376c
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
New ionophilic Hoveyda-typc complexes were prepared by the treatment of Grubbs' second-generation catalyst with the readily obtained 2,3-dimethyl-1-[1-methyl-3-(2-vinylphenoxy)butyl]-imidazolium hexafluorophosphate ligand, for example. This new carbene complex immobilized in BMI - PF6 ionic liquid presents excellent catalytic activities in 1,7-octadiene. diallyl diethylmalonate, and allylmethallyl dimethylmalonate ring-closing metathesis (RCM) reactions. The ionophilic complex can be recycled up to seven times in the 1,7-octadiene RCM reaction. The structure of this complex has been unambiguously established by NMR and single-crystal X-ray diffraction studies.
引用
收藏
页码：4527 / 4533
页数：7
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