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Title: Synthesis of O,O-diaryl O-n-propyl phosphorothionates and their fungitoxicity against Rhizoctonia solani and Sclerotium rolfsii
Authors: Patra, Dipankar
Gupta, R L
Issue Date: Sep-1999
Publisher: NISCAIR-CSIR, India
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.
Page(s): 1086-1089
Appears in Collections:IJC-B Vol.38B(09) [September 1999]

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