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    • 5. 发明公开
    • Process for production of a borohydride compound
    • Verfahren zur Herstellung einer Borohydridverbindung
    • EP2368841A1
    • 2011-09-28
    • EP11157402.6
    • 2011-03-09
    • Rohm and Haas CompanyThe Dow Chemical Company
    • Allen, Nathan TaitMillar, Dean MichaelButterick III, RobertMolzahn, David CraigChin, Arthur Achhing
    • C01B6/21C07F5/06
    • C01B6/21
    • A process for production of a borohydride compound M(BH 4 ) y . The process has three steps. The first step combines a compound of formula (R 1 O) y M with aluminum, hydrogen and a metallic catalyst containing at least one metal selected from the group consisting of titanium, zirconium, hafnium, niobium, vanadium, tantalum and iron to produce a compound of formula M(A1H 3 0R 1 )y, wherein R 1 is phenyl or phenyl substituted by at least one alkyl or alkoxy group; M is an alkali metal, Be or Mg; and y is one or two; wherein the catalyst is present at a level of at least 200 ppm based on weight of aluminum. The second step combines the compound of formula M(A1H 3 0R 1 )y with a borate, boroxine or borazine compound to produce M(BH 4 )y and a byproduct mixture containing alkali metal and aluminum aryloxides. The third step separates M(BH 4 )y from the byproduct mixture.
    • 一种制备硼氢化合物M(BH 4)y的方法。 该过程有三个步骤。 第一步是将式(R 1 O)y M的化合物与铝,氢和含有选自钛,锆,铪,铌,钒,钽和铁中的至少一种金属的金属催化剂结合,生成 式M(AlH 3 OR 1)y的化合物,其中R 1是苯基或被至少一个烷基或烷氧基取代的苯基; M是碱金属,Be或Mg; y是一两个; 其中所述催化剂以基于铝的重量计至少为200ppm的水平存在。 第二步是将式M化合物(A1H 3 0 R 1)y与硼酸盐,环硼氧烷或环硼氮烷化合物结合,生成M(BH 4)y和含有碱金属和芳氧化铝的副产物混合物。 第三步骤将M(BH 4)y与副产物混合物分离。