4.2 Article

WATER-SOLUBLE PALLADIUM AND GOLD NANOPARTICLES FUNCTIONALIZED BY A NEW PHOSPHINE WITH ZWITTERIONIC LIQUID BASED ON IMIDAZOLIUM SULFONATE LINKED ETHYLENE GLYCOL MOIETY

Journal

HETEROCYCLES
Volume 80, Issue 2, Pages 925-931

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.3987/COM-09-S(S)128

Keywords

Imidazolium Ion; Palladium Nanoparticle; Ionic Liquid; Suzuki Coupling Reaction

Funding

  1. Ministry of Education, Science, Sports and Culture, Japan [21350030]
  2. Grants-in-Aid for Scientific Research [21350030] Funding Source: KAKEN

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A new phosphine with zwitterionic liquid based on imidazolium sulfonate linked ethylene glycol moiety (1) as a protective ligand for metal nanoparticles has been prepared. Its phosphine 1-stabilized palladium and gold nanoparticles (1-Pd and 1-Au) were found to be soluble in water, and remarkably stable in high concentration of aqueous electrolyte and ionic liquid. 1-Pd nanoparticles behave as an efficient catalyst for the Suzuki cross-coupling reaction in an aqueous medium.

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