Production of alkylsulfinyl substituted organophosphoric acid esters
    93.
    发明授权
    Production of alkylsulfinyl substituted organophosphoric acid esters 失效
    制备烷基亚磺酰基取代的有机磷酸酯

    公开(公告)号:US4448733A

    公开(公告)日:1984-05-15

    申请号:US366101

    申请日:1982-04-06

    CPC分类号: C07F9/12 C07F9/18

    摘要: A process for preparing an alkylsulfinyl-substituted phenylphosphoric acid ester of the formula ##STR1## in which R.sup.1 and R.sup.2 each independently is alkyl, haloalkyl, alkenyl or optionally substituted aryl,R.sup.3 is alkyl,R.sup.4 is hydrogen, halogen, alkyl, alkoxy, nitro, cyano, alkoxycarbonyl group, phenyl or phenoxy, andX and Y each independently is oxygen or sulfur,which comprises reacting hydrogen peroxide with an alkylmercapto-substituted phenylphosphoric acid ester of the formula ##STR2## in an aprotic solvent under sulfuric acid-induced acidic conditions in the presence of an organic carboxylic acid. The product is obtained in higher purity and yield.

    摘要翻译: 制备式“IMAGE”的烷基亚磺酰基取代的苯基磷酸酯的方法,其中R 1和R 2各自独立地是烷基,卤代烷基,烯基或任选取代的芳基,R 3是烷基,R 4是氢,卤素,烷基,烷氧基,硝基 氰基,烷氧基羰基,苯基或苯氧基,X和Y各自独立地是氧或硫,其包括在非质子溶剂中在硫酸诱导的酸性条件下使过氧化氢与式IMAMA的烷基巯基取代的苯基磷酸酯反应 在有机羧酸存在下的条件。 得到的产物的纯度高,产率高。