Mechanistic Study on Allylic Arylation in Water with Linear Polystyrene-Stabilized Pd and PdO Nanoparticles

The catalytic cycle of allylic arylation in water catalyzed by linear polystyrene-stabilized Pd or PdO nanoparticles (PS-PdNPs or PS-PdONPs) was investigated. Stoichiometric stepwise reactions indicated that the reaction did not proceed stepwise on the surface of the catalyst. In the case of the rea...

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Published inACS omega Vol. 4; no. 13; pp. 15764 - 15770
Main Authors Ohtaka, Atsushi, Kawase, Misa, Usami, Akira, Fukui, Shiho, Yamashita, Mana, Yamaguchi, Kazuki, Sakon, Akira, Shiraki, Tomoya, Ishida, Taiki, Nagata, Soma, Kimura, Yuji, Hamasaka, Go, Uozumi, Yasuhiro, Shinagawa, Tsutomu, Shimomura, Osamu, Nomura, Ryôki
Format Journal Article
LanguageEnglish
Published American Chemical Society 24.09.2019
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Summary:The catalytic cycle of allylic arylation in water catalyzed by linear polystyrene-stabilized Pd or PdO nanoparticles (PS-PdNPs or PS-PdONPs) was investigated. Stoichiometric stepwise reactions indicated that the reaction did not proceed stepwise on the surface of the catalyst. In the case of the reaction with PS-PdNPs, the leached Pd species is the catalytically active species and the reaction takes place through a similar reaction pathway accepted in the case of a complex catalyst. In contrast, allylic arylation using PS-PdONPs as a catalyst occurs via a Pd(II) catalytic cycle.
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ISSN:2470-1343
2470-1343
DOI:10.1021/acsomega.9b02722