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    • 7. 发明授权
    • Alkyl arylphosphinites
    • 烷基芳基次膦酸盐
    • US5705669A
    • 1998-01-06
    • US593667
    • 1996-01-29
    • Hans-Jerg Kleiner
    • Hans-Jerg Kleiner
    • C07F9/46C07F9/6568C07F9/32
    • C07F9/46
    • A process for the preparation of alkyl arylphosphinites of the formula (I) ##STR1## in which R.sup.1 is (C.sub.1 -C.sub.16)-alkyl, cyclohexyl, cyclopentyl, aryl which can also be substituted by halogen, (C.sub.1 -C.sub.6)-alkoxy groups R.sup.2 is aryl which can also be substituted by halogen, (C.sub.1 -C.sub.6)-alkyl, (C.sub.1 -C.sub.6)-alkoxy groups, where R.sup.1 and R.sup.2 together with the phosphorous atom can also form a ring and R.sup.3 is (C.sub.1 -C.sub.4)-alkyl, which comprises reacting halo(aryl) phosphines of the formula (II) ##STR2## in which R.sup.1, R.sup.2 have the meaning given above and X is halogen, with ammonia-containing alcohols of the formula (III) R.sup.3 OH (III) in which R.sup.3 has the meaning given above.
    • 制备式(I)的烷基芳基次膦酸酯的方法其中R 1为(C 1 -C 16) - 烷基,环己基,环戊基,也可被卤素取代的芳基,(C 1 -C 6) - 烷氧基R2是也可以被卤素,(C1-C6) - 烷基,(C1-C6) - 烷氧基取代的芳基,其中R1和R2与磷原子一起也可以形成环,R3是(C1 (II)的卤代(芳基)膦,其中R 1,R 2具有上面给出的含义,X是卤素,与式(II)的卤代(芳基)膦反应, III)R3OH(III),其中R3具有上述含义。
    • 8. 发明授权
    • Process for preparing phosphorus-containing dicarboxylic acids alkyl
esters thereof
    • 制备含磷二羧酸烷基酯的方法
    • US5693842A
    • 1997-12-02
    • US711736
    • 1996-09-05
    • Hans-Jerg KleinerVolker FreudenbergerPeter Klein
    • Hans-Jerg KleinerVolker FreudenbergerPeter Klein
    • C07F9/32C07F9/53C07F9/6571C07F9/6574C07F9/02
    • C07F9/657172C07F9/3211C07F9/5304
    • The invention relates to a process for preparing phosphorus-containing compounds of the formula I ##STR1## in which R.sup.1 and R.sup.2 are an alkyl radical having 1 to 8 carbon atoms, a cyclohexyl radical, a cyclopentyl radical, an aryl radical or a halogen-, alkyl- or alkoxy-substituted aryl radical, where R.sup.1 and R.sup.2 together with the phosphorus atom can also form a ring, n and m=0 or 1 and R.sup.3 and R.sup.4 are alkyl radicals having 1 to 4 carbon atoms or n=0, m=0 or 1 and R.sup.3 and R.sup.4 are H, by adding compounds of the formula II ##STR2## into dialkyl esters of fumaric acid or of maleic acid of the formula (III) or dialkyl esters of itaconic acid of the formula (IV) ##STR3## in which R.sup.3 and R.sup.4 have the meaning given above, and, optionally reacting an alkyl ester of a phosphorus-containing dicarboxylic acid of the formula (I), where n=0, with water in the presence of catalytic amounts of an acid to give the phosphorus-containing dicarboxylic acid.
    • 本发明涉及制备具有1至8个碳原子的式I的含磷化合物的方法,环己基,环戊基,芳基或卤素,烷基或烷氧基取代的芳基,其中 R 1和R 2与磷原子一起也可以形成环,n和m = 0或1,并且R 3和R 4是具有1至4个碳原子的烷基或n = 0,m = 0或1,并且R 3和R 4是H 通过将式II的化合物(II)加入到富马酸的二烷基酯或式(III)的马来酸或式(IV)的衣康酸的二烷基酯中。 >,并且在催化量的酸存在下,任选使式(I)的含磷二羧酸的烷基酯(其中n = 0)与水反应,得到含磷二羧酸。