公开(公告)号：US20150174556A1

公开(公告)日：2015-06-25

申请号：US14631333

申请日：2015-02-25

Applicant: BASF SE

Inventor： TOBIAS ROSENDAHL ,  Torsten Mäurer ,  Cornelia K. Dobner ,  Andreas Lehr ,  Johanna Wanka

IPC: B01J27/02 ,  B01J21/02 ,  C07D301/10 ,  B01J37/02 ,  B01J37/08 ,  B01J23/50 ,  B01J35/00

CPC classification number: B01J27/02 ,  B01J21/02 ,  B01J21/04 ,  B01J23/50 ,  B01J23/688 ,  B01J35/0006 ,  B01J35/1009 ,  B01J35/1066 ,  B01J35/1076 ,  B01J35/108 ,  B01J37/0201 ,  B01J37/0213 ,  B01J37/088 ,  C07D301/10 ,  C07F1/005

Abstract: Process for producing a supported silver catalyst, which comprises (a) reacting oxalic acid with an alkali metal base in a solvent, preferably water, to the second equivalence point of oxalic acid to give alkali metal oxalate; (b) reacting the alkali metal oxalate obtained according to (a) with silver salt in a solvent, preferably water, to give silver oxalate; (c) forming a complexation of the silver oxalate obtained according to (b) with a diamine compound in a solvent, preferably water, to give a diamine-silver oxalate complex.

Abstract translation: 制备负载型银催化剂的方法，其包括（a）将草酸与碱金属碱在溶剂（优选水）中反应至草酸的第二当量点，得到碱金属草酸盐; （b）使根据（a）获得的碱金属草酸盐与银盐在溶剂，优选水中反应，得到草酸银; （c）根据（b）获得的草酸银与二胺化合物在溶剂，优选水中形成络合物，得到二胺 - 草酸银络合物。