METHOD FOR PRODUCTION OF ALKALI METAL DIALKYLAMIDES

European Patent Office Patent

PATENT NO 1451141
APP PUB NO EP-1451141-A2
SERIAL NO

02798307

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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 AKTIENGESELLSCHAFTDE67056 LUDWIGSHAFEN

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Inventor(s)

Inventor Name Address
FUNKE FRANK 48653 COESFELD
HARDER WOLFGANG BERGWALDSTRASSE 16 D-69469 WEINHEIM
BOEHLING RALF CARL-BOSCH-STRASSE 38 67056 LUDWIGSHAFEN AM RHEIN 67056
STEINBRENNER ULRICH 67056 LUDWIGSHAFEN

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