In a process for effecting reductive amination by reacting a carbonyl compound with a secondary amine and hydrogen, the reaction is carried out as a continuous operation and the reaction mixture comprising the carbonyl compound, the secondary amine and hydrogen is contacted first with an acidic fixed bed and then with a fixed bed of hydrogenation catalyst (hereinafter referred to as a hydrogenation fixed bed).
METHOD FOR PRODUCING RING-HALOGENATED N,N-DIALKYLBENZYLAMINES
申请人:Hartwig Jordan
公开号:US20140221691A1
公开(公告)日:2014-08-07
The invention relates to a method for preparing ring-halogenated N,N-dialkylbenzylamines and intermediates obtainable therefrom for preparing agrochemicals and pharmaceutically active ingredients.