Preparation of Fluoroanilines by Electrochemical Means
    21.
    发明公开
    Preparation of Fluoroanilines by Electrochemical Means 失效
    Elektrochemisches Verfahren zur Herstellung fluorierten Anilinderivate。

    公开(公告)号:EP0508578A2

    公开(公告)日:1992-10-14

    申请号:EP92301637.2

    申请日:1992-02-26

    申请人: ZENECA LIMITED

    IPC分类号: C25B3/08 C25B3/04

    摘要: A process for the preparation of a compound of Formula A:

    wherein

    X¹ and X² are independently selected from H or any substituent which does not interfere with the electrochemical reductive fluorination; and
    Z¹ and Z² are each independently selected from H or an electron donating group;
    which comprises electrochemical reductive fluorination of a compound of Formula B:

    wherein X¹, X², Z¹ and Z² are as defined above in a mixture of anhydrous hydrogen fluoride and an alkali metal fluoride.
    The 4-fluoroanilines find use as intermediates in the manufacture of a wide range of agrochemicals, dyestuffs and pharmaceuticals.

    摘要翻译: 一种制备式A化合物的方法:其中X 1和X 2独立地选自H或不影响电化学还原氟化的任何取代基; Z 1和Z 2各自独立地选自H或给电子基团; 其包括式B化合物的电化学还原氟化:其中X 1,X 2,Z 1和Z 2如上文定义的无水氟化氢和碱金属的混合物中的 氟化物。 4-氟苯胺可用作制造各种农药,染料和药物的中间体。

    Fluorinated graphites, a process for their production and an electric cell using the same as active material of the positive electrode
    23.
    发明公开
    Fluorinated graphites, a process for their production and an electric cell using the same as active material of the positive electrode 失效
    氟化石墨,它们的制备方法和单电池使用它们作为正极的活性材料。

    公开(公告)号:EP0119595A2

    公开(公告)日:1984-09-26

    申请号:EP84102806.1

    申请日:1984-03-14

    摘要: A fluorinated graphite having the formula (C x F) n wherein x is a numerical value of about 2.0 to about 5.5 and n refers to an indefinite number of the recurring (C x F) unit and having a crystalline structure exhibiting a peak at about 13.7° to about 15.0° in terms of an angle of 26 corresponding to the diffraction at the (001) plane in the X-ray diffraction pattern, a peak in the vicinity of 685.3 eV due to the F 1S and two peaks in the vicinity of 287.5 eV and 284.3 eV due to the C 1S in the spectrum of electron spectroscopy of chemical analysis, two peaks in the vicinity of 1100 cm- 1 and 1240 cm -1 in the IR spectrum, and an electric conductivity of at least about 10- 8 Ω -1 cm -1 , and being thermally stable in air up to 200°C from the viewpoint concerning a pattern of X-ray diffraction;
    a process for producing the fluorinated graphite thereof which comprises subjecting a carbon material to electrolysis in hydrogen fluoride at a voltage of about 6.5 V to about 15 V at a temperature of about -40°C to about 100°C in the presence of an electrically conductive agent; and
    an electric cell comprising a negative electrode using a light metal as an active material, an electrolyte and a positive electrode using, as an active material, the fluorinated graphite.
    The fluorinated graphite has a wide variety of uses, for example, besides as an active material for the positive electrode of an electric cell as above, lubricants, stain-resistant and water and/or oil repellent materials, etc.
    The electric cell as above is advantageously used in devices requiring a high voltage such as a watch, a clock, a small radio, a small computer, etc.

    摘要翻译: 具有式(C X F)ñworin X A氟化石墨是约2.0的数值至约5.5和n在约13.7°指的是由重复(C X F)单元的不定数量和具有结晶结构的表现出峰至约 15.0 DEG以2θ对应于在(001)衍射面的X-射线衍射图案,在685.3电子伏特附近的峰值是由于在F 1S和在287.5 eV的附近的两个峰和角度方面 284.3 eV的由于C1S在化学分析的电子能谱法,在vicinityof1100厘米两个峰的光谱< - > <1>和1240厘米< - > <1>在IR光谱中,并电的导电性至少 约10 < - > <8> OMEGA < - > <1>厘米< - > <1>,并且是在从视点关于X射线衍射的图案空气高达200℃热稳定的; 对于一种用于生产包括在约6.5伏的电压,在约-40℃的温度下在电的存在下的碳材料在氟化氢电解至约15 V至约至100℃的氟化石墨及其处理 导电剂; 以及使用轻金属作为活性材料的与电解质电电池,包括一个负电极和正电极使用,作为活性材料,氟化石墨的。 氟化石墨具有广泛的用途,例如,除了作为用于电动电池的正电极活性材料如上述,润滑剂,防污和水和/或疏油材料等的电动细胞如上 在需要高电压的装置有利地用于:诸如手表,时钟,小无线电,小型计算机等。