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Updated: Jun 28, 2026

Palladium N-Heterocyclic Carbene Complexes: Synthesis from Benzimidazolium Salts and Catalytic Activity in Carbon-carbon Bond-forming Reactions
Published on: July 30, 2017
Interaction of palladium with sulphaguanidine
W P Rittner1, A Gulko, G Schmuckler
1Department of Chemistry, Technion, I.I.T., Haifa, Israel.
Abstract:
The formation constants of palladium with chloride ions have been determined by a new approach to the interpretation of the ultraviolet spectra. The interaction of PdCl(4)(2-) with sulphaguanidine (SG) has been interpreted and evaluated quantitatively. The formation constants of the mixed ligand complex Pd(SG)(2),Cl(2), were determined spectrophotometrically. The stability constants for the stepwise formation of the palladium chloride complexes are: log k(1) = 3.48; log k(2) = 2.79; log k(3) = 2.35; log k(4) = 1.1, and for the interaction of PdCl(4)(2-) with SG, log k(1) = 5.42; log k(2) = 4.38.
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