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Org Lett. 2006 Mar 30;8(7):1375-8.

A solid-phase self-organized catalyst of nanopalladium with main-chain viologen polymers: alpha-alkylation of ketones with primary alcohols.

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  • 1Institute for Molecular Science, Myodaiji, Okazaki, Aichi 444-8787, Japan.


[reaction: see text] A novel solid-phase self-organized catalyst of palladium nanoparticles was prepared from PdCl(2) with main-chain viologen polymers via complexation and reduction. This insoluble nanocatalyst nano-Pd-V efficiently promoted alpha-alkylation of ketones with primary alcohols in the presence of Ba(OH)(2).H(2)O under atmospheric conditions without organic solvents. The nano-Pd-V catalyst was reused without loss of catalytic activity.

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