| 摘要 |
<p>The present invention relates to certain new 1-hydroxy-2,2,2-trichlorothane-thionophosphonic acid dialkyl esters, to a process for their preparation and to their use as arthropodicides, especially as insecticides. It is already known that 1-hydroxy-2,2,2-trichloroethane-phosphonic acid dialkyl esters, for example 1-hydroxy-2,2,2-trichloroethane phosphonic acid dimethyl ester, have a pesticidal, especially an insecticidal, action. Furthermore the invention provides , as new compounds, the 1hydroxy-2,2,2-trichloroethane-thionophosphonic acid dialkyl esters of the general formula in which R and R1, which may be identical or different, are each an alkyl radical with 1 to 4 carbon atoms.</p> |
