Process for preparing 6-oxo-(6H)-dibenz-[c,e][1,2]-oxaphosphorins (ODOPs)
    7.
    发明授权
    Process for preparing 6-oxo-(6H)-dibenz-[c,e][1,2]-oxaphosphorins (ODOPs) 失效
    制备6-氧代 - (6H) - 二苯并[c,e] [1,2] - 氧磷杂菁(ODOP)的方法

    公开(公告)号:US5650530A

    公开(公告)日:1997-07-22

    申请号:US527234

    申请日:1995-09-12

    CPC分类号: C07F9/65719

    摘要: Optionally substituted ODOP is obtained by reaction of optionally substituted o-phenylphenol with PCl.sub.3 in the presence of Lewis acids at elevated temperature in a first stage, with according to the invention an excess of at least 0.05 mol of PCl.sub.3 per mol of o-phenylphenol being maintained during the entire reaction time, and, after removal of the PCl.sub.3, by hydrolysis in a second stage using 1-2 mol of H.sub.2 O per chlorine equivalent of the product of the first stage at 50.degree.-150.degree. C. and with removal of HCl and residual H.sub.2 O.

    摘要翻译: 任选取代的ODOP通过任选取代的邻苯基苯酚与PCl 3在路易斯酸存在下在升高的温度下在第一阶段中反应获得,根据本发明,每摩尔邻苯基苯酚的过量至少为0.05摩尔的PCl 3 在整个反应时间内保持,并且在除去PCl 3之后,在第二阶段中通过在50-150℃的第一阶段的产物中每1-2当量的H 2 O使用1-2摩尔水解并除去 HCl和残余的H 2 O。

    Process for the preparation of halogenomethylcyclopropanes and ultrapure
halogenomethylcyclopropane
    8.
    发明授权
    Process for the preparation of halogenomethylcyclopropanes and ultrapure halogenomethylcyclopropane 失效
    制备卤代甲基环丙烷和超纯卤代甲基环丙烷的方法

    公开(公告)号:US6063971A

    公开(公告)日:2000-05-16

    申请号:US340558

    申请日:1999-06-28

    摘要: A process for producing a compound of the formula (I) ##STR1## wherein Hal is chlorine or bromine, and R.sup.1 to R.sup.5 are, each independently, hydrogen, unsubstituted or substituted C.sub.1 -C.sub.10 -alkyl, or unsubstituted or substituted C.sub.6 -C.sub.10 -aryl;comprising reacting a compound of the formula (II) ##STR2## wherein R.sup.1 to R.sup.5 are the same as above with chlorine or bromine, the chlorine or bromine being in an excess of at least 5 mol % compared to the compound of formula (I), with an organic phosphorus compound of the formula (III) ##STR3## wherein each Ar is independently an unsubstituted or substituted C.sub.6 -C.sub.10 -aryl, the process yielding the compound of formula (I) having a purity of over 95%.

    摘要翻译: 制备式(I)化合物的方法,其中Hal为氯或溴,R 1至R 5各自独立地为氢,未取代或取代的C 1 -C 10 - 烷基或未取代或取代的C 6 -C 10 - 芳基; 包括使式(II)化合物(其中R 1至R 5与上述相同)与氯或溴反应,与式(I)化合物相比,氯或溴至少5摩尔%,与 式(III)的有机磷化合物,其中每个Ar独立地是未取代或取代的C 6 -C 10 - 芳基,该方法得到纯度超过95%的式(I)化合物。