C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 201/08 (2006.01) B01J 23/00 (2006.01)
Patent
CA 2311668
The invention relates to a method for producing lactams by means of cyclizing hydrolysis of aminonitriles with water in the gas-phase on catalysts which contain oxides or mixed oxides of metals of groups 3, 4, 5, 13 and/or 14 of the periodic table, and optionally one additional metal oxide of groups 6, 7, 8, 9 and/or 10. In addition, the catalysts comprise a phosphate, carbonate, silicate, arsenite, arsenate, antimonite, antimonate and/or nitrate of the aforementioned metals and/or a sulfate of the aforementioned metals when metal oxides of groups 6, 7, 8, 9 or 10 are present.
L'invention concerne un procédé de production de lactames par hydrolyse cyclisante d'aminonitriles avec de l'eau en phase gazeuse, sur des catalyseurs qui contiennent des oxydes simples ou des oxydes mixtes des métaux des groupes 3, 4, 5, 13 et/ou 14 de la classification périodique des éléments, et éventuellement, en plus, un oxyde d'un métal des groupes 6, 7, 8, 9 et/ou 10, et qui comprennent en outre un phosphate, un carbonate, un silicate, un arsénite, un arséniate, un antimonite, un antimoniate et/ou un nitrate des métaux mentionnés et/ou, lorsque des oxydes des métaux des groupes 6, 7, 8, 9 ou 10 sont présents, un sulfate des métaux précités.
Eiermann Matthias
Narbeshuber Thomas
Basf Aktiengesellschaft
Robic
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