Formation of Pyramidal Palladium Enhanced by B(C(6)F(5))(3) Additive Enabling Selective Alkene Monoisomerization

B(C(6)F(5))(3)添加剂促进锥形钯的形成,从而实现选择性烯烃单异构化

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Abstract

The addition of a strong Lewis acid, tris-(pentafluorophenyl)-borane, facilitates the reduction of Pd-(cod)-Cl(2) with Et(3)SiH to form palladium nanoparticles in organic solvents. It was found that these palladium nanoparticles are capable of selective monoisomerization of linear alkenes. This heterogeneous palladium catalyst is tolerant of a wide variety of functional groups, confirmed by substrate and robustness screenings. It is also possible to utilize poly-(methylhydro)-siloxane, an industrial waste byproduct, as the reductant to enable similar isomerization chemistry.

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