Method for production of alkali metal dialkylamides

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United States of America Patent

APP PUB NO 20050038253A1
SERIAL NO

10495356

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A process for preparing dialkylamides of the alkali metals by reacting the corresponding dialkylamine with the corresponding alkali metal in the presence of an electron-donating substance selected from the group consisting of 1,3-butadiene, isoprene, naphthalene and styrene with formation of small amounts of butenyldialkylamine comprises suspending the corresponding alkali metal in a solvent and subsequently adding dialkylamine and electron-donating substance in such a way that the dialkylamine is present in an amount of up to 45% by weight, preferably up to 25% by, weight, in particular up to 15% by weight, and the butadiene is present in an amount of up to 5% by weight, preferably up to 3% by weight, in particular up to 1.5% by weight.

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Patent Owner(s)

Patent OwnerAddress
BASF AKTIENGESELLSCHAFT67056 LUDWIGSHAFEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bohling, Ralf Griesheim, DE 13 83
Funke, Frank Mannheim, DE 43 312
Harder, Wolfgang Weinheim, DE 76 991
Steinbrenner, Ulrich Neustadt, DE 92 937

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