申请人:Bayer Aktiengesellschaft
公开号:US04140734A1
公开(公告)日:1979-02-20
Alkoxyethyl dithiophosphonic acid ester halide intermediates of the formula ##STR1## in which R is alkyl or phenyl, R.sup.1 is alkyl, and Hal is halogen Are prepared by reacting an alkane- or phenylphosphine dihalide of the formula R--P(Hal).sub.2 with an alkoxyethylsulphenyl chloride of the formula R.sup.1 O--C.sub.2 H.sub.4 --SCl and thereafter with at least the stoichiometric amount of hydrogen sulphide. The sulphenyl chloride is produced by reacting sodium disulphide with the appropriate 2-alkoxy-alkyl halide and then with sulphuryl chloride. The novel compounds can be esterified with phenols to produce insecticides.
化合物的中间体为式子:##STR1## 其中R为烷基或苯基,R.sup.1为烷基,Hal为卤素。通过将式子为R--P(Hal).sub.2的烷基或苯基膦二卤化物与式子为R.sup.1 O--C.sub.2 H.sub.4 --SCl的烷氧基乙基磺酰氯反应,然后与至少化学计量量的硫化氢反应制备出磺酰氯。磺酰氯是通过将适当的2-烷氧基-烷基卤化物与二硫化钠反应,然后与磺酰氯反应制备的。这些新化合物可以与酚酸酯化合成杀虫剂。