Preparation of amine alanes
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United States of America Patent
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May 31, 1988
Grant Date -
N/A
app pub date -
Dec 22, 1986
filing date -
Dec 22, 1986
priority date (Note) -
Expired
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Abstract
Process for the preparation of silane and a tertiary amine alane, said process comprising reacting about equimolar amounts of: (a) an alkali metal aluminum tetrahydride having the formula MAlH.sub.4, wherein M is an alkali metal selected from the class consisting of lithium, sodium and potassium, (b) a hydrogen halide, and (c) a complexing tertiary amine. In this process, NaAlH.sub.4, HCl, and (C.sub.2 H.sub.5).sub.3 N are preferred reactants. The amine alane product can be reacted with a silicon halide to prepare silane.
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