C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 201/08 (2006.01) B01J 21/06 (2006.01) B01J 37/06 (2006.01)
Patent
CA 2302439
The invention relates to the use of essentially shaped bodies containing a catalytically active oxide as a catalyst comprising no soluble constituent, under the reaction conditions, for the production of cyclic lactams by reacting aminocarboxylic acid nitriles with water in aqueous phase, in a fixed bed reactor. This catalyst is composed of shaped bodies which can be obtained by shaping the oxide into shaped bodies and by treating the oxide with an acid which is hardly soluble, having 0.1 to 30 % by weight of the oxide, before or after the shaping process.
L'invention concerne l'utilisation essentiellement de corps moulés contenant un oxyde catalytiquement actif comme catalyseur ne présentant, dans les conditions de réaction, aucun constituant soluble, pour la production de lactames cycliques par réaction de nitriles d'acide aminocarboxylique avec de l'eau en phase liquide, dans un réacteur à lit fixe. Ce catalyseur est constitué de corps moulés que l'on peut obtenir par moulage de l'oxyde, qui donne des corps moulés, et traitement dudit oxyde avant ou après le moulage avec 0,1 à 30 % en poids, par rapport à l'oxyde, d'un acide dans lequel celui-ci est difficilement soluble.
Flick Klemens
Fuchs Eberhard
Basf Aktiengesellschaft
Robic
LandOfFree
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