Method of preparing compounds of silicon and hydrogen,...

Details Method of preparing compounds of silicon and hydrogen,... Method of preparing compounds of silicon and hydrogen,...

C - Chemistry, Metallurgy

01

B

23/196

C01B 33/04 (2006.01) C07F 7/08 (2006.01)

Patent

CA 1218828

ABSTRACT OF THE DISCLOSURE Method of preparing compounds of silicon and hydro- gen, especially silane (SiH4), from halogensilanes character- ized by reacting the halogensilane, especially tetrachloro- silane, in a solvent in the absence of additional catalysts or activators with magnesium hydride obtained by converting magnesium with hydrogen in the presence of a catalyst con- sisting of a halide of a metal of Subgroups IV-VIII of the periodic table and of a magnesium-organic compound or magnes- ium hydride, in the presence of a polycyclic aromatic or ter- tiary amine if necessary, and in the presence of a magnesium halide, MgX2, in which X = Cl, Br, or I. The halogensilane can be reacted with the magnesium hydride in the same vessel that the magnesium was hydrogenated.

443887

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