Abstract
The interlayer Cl − anions in a synthetic hydrotalcite-like material, Mg 6 Al 2 (OH) 16 Cl 2 .4H 2 O, were found to react with organic bromides in a non-polar solvent of toluene, almost all chloride ions in the interlayer space appearing in the liquid phase as the corresponding organic chlorides. The hydrotalcite-like material was found to catalyze organic reactions in which the interlayer Cl − anions play the role of catalyst. Thus, the material catalyzed the halide-exchange reactions between alkyl halides in toluene and the disproportionation of trimethoxysilane to give silane and tetramethoxysilane.
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