Pyrazol-4-yl phosphates

Details Pyrazol-4-yl phosphates Pyrazol-4-yl phosphates

C - Chemistry, Metallurgy

07

D

167/10.2, 260/31

C07D 231/18 (2006.01) A01N 57/16 (2006.01) C07F 9/6509 (2006.01)

Patent

CA 1177081

Abstract of the Disclosure Novel pyrazol-4-yl pbosphates of the formula Image wherein R1 rspresents a lower alkyl group, R2 is a lower alkoxy group or a lower alkylthio group, R3 represents hydrogen or a lower elkoxycarbonyl group, X is oxygen or sulfur atom, Y represents a lower alkyl, a lower alkoxy or a lower alkylthio group, a halogen atom, nitro or trifluoromethyl, and n is zero or an integer or 1, 2 or 3 or Yn is alkylidenedioxy containing 1 to 3 carbon atoms have marked insecticidal-acaricidal activity against household pests, plant pests, mites, etc. without substantial toxicity to warm-blooded animals and fishes.

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