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|Title:||Synthesis of O,O-diaryl O-n-propyl phosphorothionates and their fungitoxicity against Rhizoctonia solani and Sclerotium rolfsii|
Gupta, R L
|Abstract:||Twenty new O,O-diaryl O-n-propyl phosphorothionates 4 have been prepared by condensing O-n-propyl phosphorodichloridothioate with substituted phenols and tested in vitro for fungitoxicity against Rhizoctonia solani and Sclerotium rolfsii. The compounds O,O-di(3-methylphenyl) O-n-propyl phosphorothionate 4c against R. solani (ED50=0.229 mg mL-1 ) and O,O-di(2,3-dimethylphenyl) O-n-propyl phosphorothionate 4m against S. rolfsii (ED50=0.275 mg mL-1) show the highest activity. Important generalisations on structure-activity relationships in this series are being made out based on the fungitoxicity data.|
|Appears in Collections:||IJC-B Vol.38B(09) [September 1999]|
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