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Updated: May 14, 2026

Palladium N-Heterocyclic Carbene Complexes: Synthesis from Benzimidazolium Salts and Catalytic Activity in Carbon-carbon Bond-forming Reactions
Published on: July 30, 2017
Palladium/norbornene catalytic system: chelation as a tool to control regioselectivity of Pd(IV) reductive
Max Malacria1, Giovanni Maestri
1Institut de Chimie de Substances Naturelles, ICSN/CNRS (UPR 2301), 1 Av de la Terrasse, Bat. 27, 91198 Gif/Yvette, France. max.malacria@upmc.fr
Abstract:
Palladium/norbornene joint catalysis gives rise to a unique system in which the three most common formal oxidation states of the metal are at work in the same cycle (0, II, and IV). This paper summarizes a selection of synthetic applications and the feasibility of Pd(IV) formation by oxidative addition of aryl halides. On this intermediate, the presence of a suitable chelating group could trigger unexpected aryl-norbornyl coupling, further broadening the scope of readily available polycyclic frameworks.
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