Vaska's complex and the organometallic chemistry
DOI:
https://doi.org/10.37135/ns.01.05.10Keywords:
Catalysts, organoiridium, organometallic chemistry, Vaska's complexAbstract
In 1961, Lauri Vaska and John W. DiLuzio published a seminal work in the area of organoiridium complexes, the synthesis, and characterization of trans-chlorocarbonylbis(triphenylphosphine-κP)iridium(I) the trans-[IrCl(CO)(PPh3)2]. This compound showed activity in the reaction of catalytic hydrogenation of olefins and acetylenes. The trans-[IrCl(CO)(PPh3)2], named 'Vaska's complex,' offers options in organometallic and organic chemistry due to its applications in catalytic reactions that allow transforming functional groups, the starting point for the synthesis of new pharmaceutical substances technological and industrial interest. A review based on the scientific literature confirms the Vaska complex's importance in several homogeneous, biphasic, and asymmetric catalysis reactions. The possibility of incorporating new ligands generates a series of novel analogous complexes of the type trans-[MCl(CO)L2] (M = Ir(I) or Rh(I), L = complex organophosphorus ligands). These new complexes have applications in materials science, nanochemistry, and biomedicine. However, sixty years after the discovery of trans-[IrCl(CO)(PPh3)2], some possibilities remain to be explored. Moreover, expectations are still being generated in the research and development of organoiridium compounds.
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