A non-cross-linked soluble polystyrene-supported ruthenium catalyst for carbenoid transfer reactions

被引：28

作者：

Chi, Matthew Kwok-Wai ^{[1
,2
]}

Yu, Wing-Yiu ^{[3
]}

So, Man-Ho ^{[1
,2
]}

Zhou, Cong-Ying ^{[1
,2
]}

Deng, Qing-Hai ^{[1
,2
,4
]}

Che, Chi-Ming ^{[1
,2
,4
]}

机构：

[1] Univ Hong Kong, Dept Chem, Hong Kong, Hong Kong, Peoples R China

[2] Univ Hong Kong, Open Lab Chem Biol, Inst Mol Technol Drug Discovery & Synth, Hong Kong, Hong Kong, Peoples R China

[3] Hong Kong Polytech Univ, Dept Appl Biol & Chem Technol, Kowloon, Hong Kong, Peoples R China

[4] Chinese Acad Sci, Shanghai Inst Organ Chem, Shanghai Hong Kong Joint Lab Chem Synth, Shanghai 200032, Peoples R China

来源：

CHEMISTRY-AN ASIAN JOURNAL | 2008年 / 3卷 / 8-9期

关键词：

carbenoid; catalysis; nanoparticles; ruthenium; soluble polymers;

D O I：

10.1002/asia.200800144

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Ruthenium nanoparticles supported on non-cross-linked soluble polystyrene were prepared by reacting [RuCl2(C6H5CO2Et)](2) with polystyrene in open air. They effectively catalyze intra- and intermolecular carbenoid insertion into C-H and N-H bonds, alkene cyclopropanation, and ammonium ylide/[2,3]-sigmatropic rearrangement reactions. This supported ruthenium catalyst is much more reactive than [RuCl2(p-cymene)](2) and [Ru(Por)CO] for catalytic intermolecular carbenoid C-H bond insertion into saturated alkanes. By using alpha-diazoacetamide as a substrate for intramolecular carbenoid C-H insertion, the supported ruthenium catalyst can be recovered and reused for ten successive iterations without significant loss of activity.

引用

页码：1256 / 1265

页数：10

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