Kalpana Chaturvedi

Department of Chemistry, Agra College, Agra, India

Publications

• Research   
  Novel Synthesis of Some Organophosphorus Derivatives as Chemotherapeutants against Fungal Pathogens of Sugracane
  Author(s): Kalpana Chaturvedi* and Smita Chaturvedi
  
  The reactions of O,O-diethylchlorophosphate or O,O-diethylchlorothiophosphate with 1,4-phthalazine-bis(hydrazones), derived by the condensation of 1,4-dihydrazinophthalazine dihydrochloride monohydrate and 2-hydroxy benzaldehyde/4-hydroxy benzaldehyde/2- hydroxyacetophenone/4-hydroxyacetophenone, have been studied and a variety of organophosphorus derivatives have been obtained. The derivatives have been characterized on the basis of analyses and spectral (IR, 1H NMR) data and tested for their antifungal efficacy against colletotrichum falcatum, Fusarium oxysporum and Curvularia pallescens (all sugarcane pathogens). These compounds show promising results in inhibiting the mycelial growth of all the test fungi at 1000 ppm. Out of these, the most active compound is 0,0-diethylthiophosphate derivative containing 1,4-phthalazine-bis(2-hydroxyacetophenone) hydrazone(VII),which shows ac.. Read More»
  

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