Lewis base complexes of alkali metal salts
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United States of America Patent
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Apr 27, 1993
Grant Date -
N/A
app pub date -
Aug 18, 1989
filing date -
Oct 21, 1987
priority date (Note) -
Expired
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Abstract
Disclosed is a process for the manufacture of alkali metal salt complexes of the formula (M.sub.x X.nL).sub.y, where M is an alkali metal, e.g. lithium, X is an anion, e.g. halide or thiocyanate, L is an organic electron-donating ligand (Lewis base), x is the valency of the anion X, n is usually 1,2 or 4 and y is an integer, by the in situ reaction of an alkali metal or an alkali metal hydride or alkyl, for example lithium, lithium hydride or butyl lithium, and an anhydrous ammonium salt comprising the anion X, e.g. an anhydrous ammonium halide, the reaction being performed in solution in an anhydrous solvent in the presence of the ligand (L).
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