| abstract |
NEW MATERIAL:A compound shown by the formula I {at least one of X 1 WX 4 is group shown by the formula II [Ar is (halogen-, cyano-substituted) aromatic hydrocarbon group; R 7 and R 8 are H, halogen, cyano, etc.; n is 1W10], the others are H, or lower alkyl; R 1 WR 5 are H, halogen, lower alkyl, lower alkenyl, etc.; R 6 is -OR 12 (R 12 is H or 1W15C hydrocarbon group which may contain 0, etc., -SR 12 , etc.; k is 0W15; l is 0 or 1; m is 0W10}. n EXAMPLE: Ethyl 8-(2,4-dichlorophenoxyacetyloxy)-5,9-dimethyl-deca-2,4,9-trienoate. n USE: A herbicide and a plant growth regulator. n PREPARATION: A compound shown by the formula III is reacted with a compound shown by the formula IV to give a compound, which is epoxidized with a peroxide, and thermally decomposed to give a compound shown by the formula V. This compound is reacted with a compound shown by the formula VI to give a compound shown by the formula I where X 1 is group shown by the formula II, R 1 and R 2 are H, and lower alkyl, and k is 3. n COPYRIGHT: (C)1986,JPO&Japio |