The subject matter of the present invention relates to bifunctional cyclohexyl DPTA ligands and methods for utilizing these compounds.
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(2008/06/13)
Method for the preparation of persilylated carboxylic acid amides
Disclosed is a method of preparing bis-trimethylsilylamides of carboxylic acids from the carboxylic acid amide by mixing two equivalents of trimethylchlorosilane and an excess of hexamethyldisilazane, heating the mixture to 40° to 80° C. and adding two equivalents of a tertiary amine as acid acceptor. The method results in substantially improved purity and yield of end product.
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(2008/06/13)
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