Perfluoroalkane sulfonamido-alkane phosphonic and phosphonic acid
derivatives
    1.
    发明授权
    Perfluoroalkane sulfonamido-alkane phosphonic and phosphonic acid derivatives 失效
    全氟烷烃磺酰氨基 - 烷烃膦酸衍生物

    公开(公告)号:US3970586A

    公开(公告)日:1976-07-20

    申请号:US575097

    申请日:1975-05-07

    摘要: An .omega.-perfluoroalkane sulfonamido-alkane phosphonic or phosphinic acid or salt of the formula ##EQU1## in which R.sub.F is a perfluoroalkyl radical with from 1 to 12 carbon atoms;x and n each independently is 0 or 1,Y is hydrogen or a lower aliphatic radical with up to 5 carbon atoms,Z is an aliphatic radical with up to 5 carbon atoms, a cycloaliphatic, araliphatic or aromatic radical, andR is hydrogen, an alkali metal, alkaline earth metal or ammonium radical.The compounds are useful as surfactants in depressing the surface tension of water.

    摘要翻译: ω-全氟烷烃磺酰氨基 - 烷烃膦酸或次膦酸或式Z |(O)nRF-SO2-N-(CH2)x-CHY-CH2-P ANGLE = O | HOR的盐,其中RF是全氟烷基 具有1至12个碳原子; X和N各自独立地为0或1,Y为氢或具有至多5个碳原子的低级脂族基团,Z为具有至多5个碳原子的脂族基团,脂环族,芳脂族或芳族基团,R为氢, 碱金属,碱土金属或铵基。

    Preparation of perfluorinated organic sulfonyl fluorides
    2.
    发明授权
    Preparation of perfluorinated organic sulfonyl fluorides 失效
    全氟化有机磺酰氟的制备

    公开(公告)号:US3951762A

    公开(公告)日:1976-04-20

    申请号:US511560

    申请日:1974-10-02

    IPC分类号: C25B3/08 B01K1/00 C07C143/70

    CPC分类号: C25B3/08

    摘要: In the electrochemical fluorination of an alkanesulfonyl halide wherein an electric current is passed through a cell containing said alkanesulfonyl halide dissolved in hydrofluoric acid to produce a perfluorinated alkanesulfonyl fluoride, the improvement which comprises including in said cell an unsaturated cyclic sulfone.

    摘要翻译: 在其中电流通过含有溶解在氢氟酸中的所述链烷磺酰卤的电池以产生全氟化烷烃磺酰氟的烷基磺酰卤的电化学氟化中,包括在所述电池中包含不饱和环状砜的改进。

    Process for the manufacture of .alpha.-hydroxycarboxylic acid amides
    3.
    发明授权
    Process for the manufacture of .alpha.-hydroxycarboxylic acid amides 失效
    制备α-羟基羧酸酰胺的方法

    公开(公告)号:US4222960A

    公开(公告)日:1980-09-16

    申请号:US45677

    申请日:1979-06-05

    CPC分类号: C07C231/06

    摘要: Process for the manufacture of .alpha.-hydroxycarboxylic acid amides by adding water onto cyanohydrins in an aqueous medium containing 10-60% by weight of the oxo compound on which the cyanohydrin is based, with the aid of a catalyst dissolved in the reaction medium and selected from the group consisting of alkali metal-, alkaline earth metal- and alkylammonium salts of boric acid, at a pH from 7-11.

    摘要翻译: 通过在溶解在反应介质中的催化剂的帮助下,在含有10-60重量%的基于氰醇的氧代化合物的水性介质中,在氰醇上加入水来选择α-羟基羧酸酰胺的方法, 由硼酸的碱金属,碱土金属和烷基铵盐组成的组在7-11的pH下进行。