SULFIDE OR SULFON GROUP SUBSTITUTED FLUORINATED VINYLOXYACETAMIDE DERIVATIVES

PURPOSE: The title compound having a new structure in which a sulfide or sulfon group substituted fluorinated vinyl group is introduced into oxyacetamide derivatives and herbicidal composition containing the same as an effective component are provided which have excellent herbicidal activity. CONSTITUTION: The sulfide or sulfon group substituted fluorinated vinyloxyacetamide derivatives of formula 1 is prepared by a process consisting of: reacting alcoholic compounds of formula 2 and fluorinated vinyl compounds of formula 3 in the presence of a base. In formula, R1 is C1-4 alkyl, C2-4 alkenyl or nonsubstituted or C1-4 alkyl, haloalkyl, alkoxy, Cl, F or F substituted phenyl; R2 is C1-4 alkyl or C2-4 alkenyl; R3 is C1-4 alkyl or phenyl; R4 is C1-4 alkyl or, nonsubstituted Cl, F or Br substituted phenyl; R5 is F or trifluormethyl; n is 0 or 2.