| abstract |
NEW MATERIAL:An N-2-substituted phenoxyethylchloroacetanilide derivative of formula I (R is lower alkyl; X is H, halogen, or lower alkyl; Y is H, halogen, lower alkyl, or alkoxy). n EXAMPLE: 2,6-Diethyl-N-2-phenoxyethylchloroacetanilide. n USE: Herbicide having high inter-genus selectivity between rice plant and cockspur- grass which is a strong weed in paddy rice field. n PROCESS: The compound of formula I is prepared by reacting an N-2-substituted phenoxyethylaniline of formula II with an chloroacetylating agent (e.g. chloroacetyl chloride, chloroacetic acid anhydride, etc.) in a solvent such as methyl ethyl ketone and acetone, at -10W+200°C for 1W30 hours. n COPYRIGHT: (C)1981,JPO&Japio |