Process for the preparation of an alkali borohydride such as lit

Details Process for the preparation of an alkali borohydride such as lit Process for the preparation of an alkali borohydride such as lit

1992-04-24

1994-03-15

Lewis, Michael

Chemistry of inorganic compounds

Boron or compound thereof

Hydrogen and metal or ammonium containing

423288, C01B 617

Patent

active

052944239

ABSTRACT:
The invention relates to a process for the preparation of an alkali metal borohydride.
According to this process, a mixture of an alkali metal hydride, boric anhydride and a hydrogenation catalyst such as Raney nickel is raised to a temperature of 250.degree. to 300.degree. C. under a hydrogen atmosphere. This gives an alkali metal borohydride, such as lithium-n borohydride, in accordance with the following reaction:

REFERENCES:
patent: 2741540 (1956-04-01), Bragoon et al.
patent: 3379511 (1968-04-01), Knorre et al.
patent: 3423192 (1969-01-01), Snover
patent: 3795491 (1974-03-01), Winiarczyk
patent: 3925548 (1975-12-01), Oh
Chemical Abstracts, vol. 100, No. 24, Nov. 6, 1984, "Chemistry of Synthetic High Polymers" by Fred W. Billmeyer.
Chemical Abstracts, vol. 86, No. 14, Apr. 4, 1977, "Synthetic High Polymers" by Fred W. Billmeyer.
Journal of the American Chemical Society, vol. 75, No. 1, May 1, 1953, pp. 205-209.

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