| 摘要 |
1,185,200. Pesticides containing polyhalo keto-alkenoic acids. AIR PRODUCTS & CHEMICALS Inc. 7 April, 1967 [8 April, 1966], No. 15998/67. Heading A5E. [Also in Division C2] Monocarboxylic C 5 -C 10 keto alkenoic acids containing at least four Cl or Br atoms have biocidal activity. They may be used as fungicides, bactericides, herbicides and insecticides. These compounds have a high biocidal selectivity. Examples given are pentachloro-4-ketopentenoic acid and its phenyl ester, perchloropentenoyl-lactone, and tetrachloro-4-ketopentenoic acids. |
