Ammonium Metavanadate - Catalytic Activity

Catalytic Activity

Ammonium metavanadate acts as a catalyst for various reactions. It has been identified as a catalyst for “α-hydroxyphosphosphonate derivatives by the reaction of various aryl or heteroaryl aldehydes with triethylphosphonate derivatives.” The end product of these reactions, hydroxyphosphonates, are important because they “act as an inhibitor of a diverse group of enzymes including Renin, FPTase, HIV protease, and EPSP synthase” and “show antibacterial activity with the quinoline nucleus.” Ammonium metavanadate is environmentally friendly compared to past organic solvents used as catalysts in these and similar reactions. In the study of Sonar et al., ammonium metavanadate assisted the reaction of triethyl phosphate with 2-chlororquinoline-3-carbaldehyde to produce the α-hydroxyphosphosphonates. It was determined to produce a high yield of 94% with a much shorter reaction time of 5 minutes compared to both its organic solvents and organic solvent free counterparts.