Transition metal nanoparticles stabilized by ammonium salts of hyperbranched polystyrene: effect of metals on catalysis of the biphasic hydrogenation of alkenes and arenes

TETRAHEDRON

卷:71

Article

Gao, Lei¹  Kojima, Keisuke²  Nagashima, Hideo^1,3 

[1] Kyushu Univ, Grad Sch Engn Sci, Inst Mat Chem & Engn, Kasuga, Fukuoka 8168580, Japan

[2] Nissan Chem Ind Co Ltd, Chem Res Labs, Funabashi, Chiba 2748507, Japan

[3] Japan Sci & Technol Agcy JST, CREST, Kasuga, Fukuoka 8168580, Japan

关键词: Nanoparticle;    Hydrogenation;    Hyperbranched polymer;    Catalysis;    Biphasic;   

DOI  :  10.1016/j.tet.2015.04.081

来源: Elsevier

【 摘 要 】

Hyperbranched polystyrene bearing ammonium salts (HPS-NR3+Cl-) behaves as an excellent stabilizer of ruthenium, rhodium, iridium, palladium, and platinum nanoparticles from 1 to 3 nm in size uniformly dispersed in the polymer matrix. The catalytic performance of the resulting metal-polymer composites, M@HPS-NR3+Cl-, is dependent on the metal. This dependence was investigated by assessing the hydrogenation of alkenes and arenes. The utility of M@HPS-NR3+Cl- as reusable catalysts in aqueous/organic biphasic systems was demonstrated by examining the catalysis of the hydrogenation of aromatic compounds containing various functional groups by Ru@HPS-NR3+Cl-. (C) 2015 Elsevier Ltd. All rights reserved.

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