Abstract
A new series of novel α-aminophosphonate derivatives have been synthesized by new rapid and convenient approach, based on the stepwise one pot reaction of 2-hydroxyaniline, aromatic aldehydes and triethyl phosphite. The structures of all compounds have been identified by appropriate spectroscopic methods such as FTIR, 1H, 13C, 31P NMR and ESI-MS. The crystal structure of diethyl-(2-fluorophenyl)-(2-hydroxy-4-methylphenyl)amino phosphonate has been determined, it crystallizes in the P-1 space group. In vitro antifungal activity of the synthesized compounds were tested against wheat fusarium (Fusarium oxysporum) and compared with standard antifungal drug Chlorpyriphos EC to explore their potential antifungal activity. We also measured the antioxidant activity of these molecules, compared with vitamin C as standard antioxidant.
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