| 摘要 |
<p>1,208,937. Thionothiolphosphoric and thionothiolphosphonic acid esters. FARBENFABRIKEN BAYER A.G. 3 July, 1968 [2 Aug., 1967], No. 31775/68. Heading C2C. [Also in Division A5] Thionothiolphosphoric and thionothiolphosphonic acid esters having the general formula wherein R 1 is an alkyl radical having from 1 to 4 carbon atoms which may be substituted by halogen, R 2 is an alkyl or alkoxy group having from 1 to 4 carbon atoms which may also be substituted by a halogen, or is an alkylamino, dialkylamino, amino or phenyl group and Y is oxygen or sulphur, are prepared by reacting an N-halomethylmaleic acid imide of the formula with a thionothiolphosphoric or thionothiolphosphonic acid of the formula in the form of the ammonium or metal salt or in the presence of an acid-binding agent. The products possess insecticidal and acaricidal properties.</p> |
