[EN] IMPROVED PROCESS FOR THE REDUCTIVE AMINATION AND SELECTIVE HYDROGENATION OF SUBSTRATES CONTAINING A SELECTED HALOGEN<br/>[FR] PROCÉDÉ PERFECTIONNÉ POUR L'AMINATION RÉDUCTRICE ET L'HYDROGÉNATION SÉLECTIVE DE SUBSTRATS CONTENANT UN HALOGÈNE CHOISI
申请人:TAMINCO
公开号:WO2015032653A1
公开(公告)日:2015-03-12
Disclosed is a process for performing a chemical reaction selected from reductive amination and hydrogenation of a first functional group in an organic feed substrate, which feed substrate comprises at least one further functional group containing a halogen atom, wherein the halogen atom is selected from the list consisting of chlorine, bromine, iodine, and combinations thereof, in the presence of hydrogen and a heterogeneous catalyst comprising at least one metal from the list of Pd, Rh, and Ru, together with at least a second metal from the list consisting of Ag, Ni, Co, Sn, Cu and Au. The process is preferably applied for the reductive amination of 2-chloro- benzaldehyde to form 2-chloro-benzyldimethylamine, as an intermediate in the production of agrochemically active compounds and microbiocides of the methoximinophenylglyoxylic ester series. Further disclosed is a composition rich in 2-chloro-benzyldimethylamine, further comprising an amount of 2- chloro-benzyl alcohol and being low in chlorotoluene isomers.
公开了一种用于在有机原料基质中选择性进行还原胺化和氢化反应的过程,该原料基质包括至少含有一个含有卤素原子的进一步功能基团,其中卤素原子选自氯、溴、碘和它们的组合列表,存在氢气和由Pd、Rh和Ru列表中至少一种金属以及由Ag、Ni、Co、Sn、Cu和Au列表中至少一种第二金属组成的非均相催化剂。该过程通常应用于将2-氯苯甲醛还原胺化为2-氯苯乙基二甲胺,作为生产农药活性化合物和甲氧基苯基甘氧基乙酸酯系列微生物杀灭剂的中间体。还公开了一种富含2-氯苯乙基二甲胺的组合物,还包括一定量的2-氯苯乙醇,并且低含氯甲苯异构体。