Method for making 4,4'-dihydroxydiphenyl ether
    2.
    发明授权
    Method for making 4,4'-dihydroxydiphenyl ether 失效
    制备4,4'-二羟基二苯醚的方法

    公开(公告)号:US4638099A

    公开(公告)日:1987-01-20

    申请号:US821899

    申请日:1986-01-23

    CPC分类号: C07C41/26 C07C41/22

    摘要: A method for making 4,4'-dihydroxydiphenyl ether from diphenyl ether by oxidatively iodinating diphenyl ether to 4,4'-diiododiphenyl ether and/or 4-hydroxy-4'-iododiphenyl ether, hydrolyzing this product with a base, recovering iodine from the solution containing iodide, and recycling the iodine to the iodination step.

    摘要翻译: 通过将二苯醚氧化碘化为4,4'-二碘二苯醚和/或4-羟基-4'-碘二苯醚从二苯醚制备4,4'-二羟基二苯醚的方法,用碱水解该产物,从碘 含有碘化物的溶液,并将碘循环到碘化步骤。

    Method of preparing N-methylphosphonic acid diesters of acrylic and
methacrylic acid amines from methylol
    5.
    发明授权
    Method of preparing N-methylphosphonic acid diesters of acrylic and methacrylic acid amines from methylol 失效
    从羟甲基制备丙烯酸和甲基丙烯酸胺的N-甲基膦酸二酯的方法

    公开(公告)号:US4774349A

    公开(公告)日:1988-09-27

    申请号:US918051

    申请日:1986-10-14

    IPC分类号: C07F9/38 C07F9/40

    CPC分类号: C07F9/4006

    摘要: A process for the preparation of (meth)acrylamidomethylphosphonic acid diesters of formula I:H.sub.2 C.dbd.C(R.sub.1)--CO--N(R.sub.2)--CH.sub.2 --P(O)(OR.sub.3)(OR.sub.4) (I)is disclosed. In the above formula, R.sub.1 is a hydrogen atom or methyl group. R.sub.2 is a hydrogen atom, a C.sub.1 -C.sub.4 alkyl group (which can be substituted) or a C.sub.3 -C.sub.4 alkenyl group. R.sub.3 and R.sub.4 are each independently a phenyl group, or an alkyl group (which can be substituted) having 1-4 C atoms. Or R.sub.3 and R.sub.4 together form an alkylene group which forms a 5- or 7-membered ring with the oxygen atoms and the phosphorus atoms.The process is based on reacting a N-methylol derivative of (meth)acrylamide with a phosphorous acid triester, in which a N-methylol ether of a (meth)acrylamide is used. The reaction can be advantageously catalyzed by Lewis acids.

    摘要翻译: 公开了制备式I的(甲基)丙烯酰胺甲基膦酸二酯的方法:H 2 C = C(R 1)-CO-N(R 2)-CH 2 -P(O)(OR 3)(OR 4)(I))。 在上式中,R 1为氢原子或甲基。 R2是氢原子,C1-C4烷基(可以被取代)或C3-C4烯基。 R 3和R 4各自独立地为苯基或具有1-4个C原子的烷基(可以被取代)。 或者R3和R4一起形成与氧原子和磷原子形成5-或7-元环的亚烷基。 该方法基于(甲基)丙烯酰胺的N-羟甲基衍生物与亚磷酸三酯反应,其中使用(甲基)丙烯酰胺的N-羟甲基醚。 反应可以有利地被路易斯酸催化。

    Phosphorus-containing polyarylene ethers
    7.
    发明授权
    Phosphorus-containing polyarylene ethers 失效
    含磷聚亚芳基醚

    公开(公告)号:US4745225A

    公开(公告)日:1988-05-17

    申请号:US870369

    申请日:1986-06-04

    CPC分类号: C08G65/4006 C08G65/4068

    摘要: Branched phosphorus-containing polyarylene ethers comprising repeating units of the structure ##STR1## wherein q and z are 0 or 1; andm has an average value from 1 to 10,statistically alternating with branching points units of the structures ##STR2## p being an integer from 1 to 4, and methods for making such ethers by polycondensing appropriate aromatic bifunctional compounds in the presence of further condensable compounds having more than two reactive groups.

    摘要翻译: 支链含磷聚亚芳基醚,其包含结构式(IMAGE)的重复单元,其中q和z为0或1; m的平均值为1至10,与结构的分支点单位统计学交替,其中p为1至4的整数,以及通过在适当的芳族双官能化合物存在下进一步缩合制备此类醚的方法 具有两个以上反应性基团的化合物。

    Methods for making tertiary phosphine oxides
    10.
    发明授权
    Methods for making tertiary phosphine oxides 失效
    制备叔膦氧化物的方法

    公开(公告)号:US4745224A

    公开(公告)日:1988-05-17

    申请号:US937200

    申请日:1986-12-02

    IPC分类号: C07F9/53 C07F9/02

    CPC分类号: C07F9/53

    摘要: Methods for making tertiary phosphine oxides from the corresponding tertiary phosphine sulfides by reacting the latter with sulfuric acid and/or organic sulfonic acids at temperatures from 70.degree. C. to 200.degree. C.

    摘要翻译: 通过使后者与硫酸和/或有机磺酸在70℃至200℃的温度下反应从相应的叔膦硫化物制备叔膦氧化物的方法。