The dramatic acceleration effect of imidazolium ionic liquids on electron transfer reactions

被引:63
作者
Choi, Doo Seong
Kim, Dong Hyun
Shin, Ueon Sang
Deshmukh, Ravindra R.
Lee, Sang-Gi
Song, Choong Eui [1 ]
机构
[1] Sungkyunkwan Univ, Dept Chem, Inst Basic Sci, Suwon 440746, South Korea
[2] Ewha Womans Univ, Dept Chem, Div Nanosci BK21, Seoul 120750, South Korea
关键词
D O I
10.1039/b708044a
中图分类号
O6 [化学];
学科分类号
0703 [化学];
摘要
Imidazolium ionic liquids (ILs) exhibited a dramatic acceleration effect on the electron transfer from metal complexes such as (C5Me5)(2)Fe(II) and (C5Me5)(2)Co(II) to the oxygen molecule; this acceleration effect can be ascribed to the stabilization of the oxygen radical anions by coordinating with the acidic C2-H of imidazolium ILs.
引用
收藏
页码:3467 / 3469
页数:3
相关论文
共 30 条
[1]
STABLE CARBENES AS STRONG BASES [J].
ALDER, RW ;
ALLEN, PR ;
WILLIAMS, SJ .
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1995, (12) :1267-1268
[2]
Formation and stability of N-heterocyclic carbenes in water:: The carbon acid pKa of imidazollum cations in aqueous solution [J].
Amyes, TL ;
Diver, ST ;
Richard, JP ;
Rivas, FM ;
Toth, K .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2004, 126 (13) :4366-4374
[3]
ACIDITIES OF C2 HYDROGEN-ATOMS IN THIAZOLIUM CATIONS AND REACTIVITIES OF THEIR CONJUGATE BASES [J].
BORDWELL, FG ;
SATISH, AV .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1991, 113 (03) :985-990
[4]
Anion exchange-promoted Ru3+/2+ redox switch in self-assembled monolayers of imidazolium ions on a gold electrode [J].
Chi, YS ;
Hwang, S ;
Lee, BS ;
Kwak, J ;
Choi, IS ;
Lee, S .
LANGMUIR, 2005, 21 (10) :4268-4271
[5]
Ionic liquid (molten salt) phase organometallic catalysis [J].
Dupont, J ;
de Souza, RF ;
Suarez, PAZ .
CHEMICAL REVIEWS, 2002, 102 (10) :3667-3691
[6]
Mechanism of scandium ion catalyzed Diels-Alder reaction of anthracenes with methyl vinyl ketone [J].
Fukuzumi, S ;
Yuasa, J ;
Miyagawa, T ;
Suenobu, T .
JOURNAL OF PHYSICAL CHEMISTRY A, 2005, 109 (14) :3174-3181
[7]
Scandium ion-promoted photoinduced electron-transfer oxidation of fullerenes and derivatives by p-chloranil and p-benzoquinone [J].
Fukuzumi, S ;
Mori, H ;
Imahori, H ;
Suenobu, T ;
Araki, Y ;
Ito, O ;
Kadish, KM .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2001, 123 (50) :12458-12465
[8]
Efficient transesterification/acylation reactions mediated by N-heterocyclic carbene catalysts [J].
Grasa, GA ;
Güveli, T ;
Singh, R ;
Nolan, SP .
JOURNAL OF ORGANIC CHEMISTRY, 2003, 68 (07) :2812-2819
[9]
N-heterocyclic carbenes as versatile nucleophilic catalysts for transesterification/acylation reactions [J].
Grasa, GA ;
Kissling, RM ;
Nolan, SP .
ORGANIC LETTERS, 2002, 4 (21) :3583-3586
[10]
New method of fluorination using potassium fluoride in ionic liquid: Significantly enhanced reactivity of fluoride and improved selectivity [J].
Kim, DW ;
Song, CE ;
Chi, DY .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2002, 124 (35) :10278-10279