PROCESS FOR PRODUCTION OF A BOROHYDRIDE COMPOUND

A process for production of a borohydride compound M(BH4)y. The process has three steps. The first step combines a compound of formula (R1O)y M with aluminum, hydrogen and a metallic catalyst containing at least one metal selected from the group consisting of titanium, zirconium, hafnium, niobium, v...

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Main Authors ALLEN, NATHAN TAIT, MOLZAHN, DAVID CRAIG, MILLAR, DEAN MICHAEL, BUTTERICK, ROBERT, III, CHIN, ARTHUR ACHHING
Format Patent
LanguageEnglish
French
Published 26.09.2011
Subjects
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Summary:A process for production of a borohydride compound M(BH4)y. The process has three steps. The first step combines a compound of formula (R1O)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(A1H3OR1)y, wherein R1 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(AlH3OR1)y with a borate, boroxine or borazine compound to produce M(BH4)y and a byproduct mixture containing alkali metal and aluminum aryloxides. The third step separates M(BH4)y from the byproduct mixture.
Bibliography:Application Number: CA20112733608