| 摘要 |
<p>1313808 Dithiophosphoric acid ester amides BAYER AG 9 July 1971 [11 July 1970 29 Jan 1971] 32352/71 Heading C2P Novel compounds of the general formula wherein R and R<SP>2</SP>, which may be the same or different, are straight or branched chain C 1 -C 6 alkyl radicals or straight or branched chain C 2 -C 6 alkenyl radicals and R<SP>1</SP> is methyl, ethyl, isopropyl or a C 2 -C 4 alkenyl radical, are obtained by reacting a compound: wherein M is an alkali- or alkaline earth metal equivalent or an optionally alkyl-substituted ammonium equivalent with a haloacetic acid amide of the formula wherein Hal is halogen, e.g. Cl or Br. The reaction is generally effected at 0‹ to 100‹ C. and is preferably carried out in an inert solvent or diluent (including water). The products have nematocidal, insecticidal and acaracidal properties and may be used as active ingredients in conventional pesticidal formulations.</p> |
