C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 211/07 (2006.01) C07C 209/48 (2006.01)
Patent
CA 2068351
CONTINUOUS PREPARATION OF SECONDARY AMINES FROM NITRILES USING A NICKEL CATALYST (D#80,960-F) Abstract of the Disclosure A method for producing secondary amines, particularly fatty secondary amines such as ditallowamine from fatty nitriles, such as tallow nitrile over a nickel catalyst promoted with copper, chromium and molybdenum has been discovered. The reaction gives high selectivity of secondary amine over the coproduced primary and tertiary amines. The reaction may be conducted continuously in the presence of ammonia and hydrogen. The secondary amine proportion may be increased by a second stage using the same catalyst as the first stage, but in the absence of ammonia. The same catalyst may be used in both steps if a two stage process is used.
Smart & Biggar
Texaco Chemical Company
Zimmerman Robert L.
LandOfFree
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