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Evidence of an Oxidative‐Addition‐Promoted Pd‐Leaching Mechanism in the Suzuki Reaction by Using a Pd‐Nanostructure Design
Author(s) -
Niu Zhiqiang,
Peng Qing,
Zhuang Zhongbin,
He Wei,
Li Yadong
Publication year - 2012
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201201224
Subject(s) - nanomaterial based catalyst , leaching (pedology) , catalysis , halide , nanostructure , oxidative addition , chemistry , palladium , aryl , aryl halide , combinatorial chemistry , nanotechnology , materials science , organic chemistry , environmental science , soil science , soil water , alkyl
Nanocatalysts behave homogeneously : The structural changes of two rationally designed heterogeneous Pd‐based nanocatalysts were examined in a Suzuki reaction (see figure). By taking advantage of additional nanostructural characteristics, direct evidence of the leaching of soluble Pd was obtained; hence, the catalysis is promoted by oxidative addition of aryl halides to the nanoparticles.