Production of cyclic lactams by the reaction of amino carboxylic acid nitriles with water, performed in the liquid phase in the presence of heterogeneous catalysts based on titanium dioxide with a rutile content in the range from 0.1 to 95 wt.% and an anatase content in the range from 99.9 to 5 wt.% in relation to the total titanium dioxide content.
申请公布号
DE19517821(A1)
申请公布日期
1996.11.21
申请号
DE19951017821
申请日期
1995.05.18
申请人
BASF AG, 67063 LUDWIGSHAFEN, DE
发明人
FUCHS, EBERHARD, DR., 67227 FRANKENTHAL, DE;WITZEL, TOM, DR., 67069 LUDWIGSHAFEN, DE;FLICK, KLEMENS, DR., 76863 HERXHEIM, DE
