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This paper presents nine novel pyrethroids containing phosphorous and five new phos-phorous ylids.A new synthetic route of β-substituted vinyl(thio)phosphonate having E configura-tion have been developed.The compound li exhibited moderate insecticidal activities against Culexmosquitoes and Army worm.
This paper presents nine novel pyrethroids containing phosphorous and five new phos-phorous ylids. A new synthetic route of β-substituted vinyl (thio) phosphonate having E configura- tion have been developed. The compound li exhibits moderate insecticidal activities against Culexmosquitoes and Army worm .