| abstract |
NEW MATERIAL:The carboxylic acid ester of furmulaI[X is O or S; R 1 is H, alkyl, alkylthio, alkenylthio, or alkynylthio; R 2 is alkyl, alkenyl, alkynyl, or benzyl; when R 3 is H, R 4 is group of formula II (R 5 and R 6 are halogen or methyl), and when R 3 is methyl, R 4 is also methyl]. n EXAMPLE: The ester of 5-methyl-4-propargyl-2,4-dihydro-3H-1,2,4-triazol-3-on-2- ylmethyl alcohol and dl-cis, trans-2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropanecarboxylic acid chloride. n USE: Insecticide. n PROCESS: The compound of formulaIis prepared by reacting the carboxylic acid of formula III or its reactive derivative with the alcohol of formula IV (A is OH or halogen) or its halide. n COPYRIGHT: (C)1982,JPO&Japio |