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公开(公告)号:CA3059089A1
公开(公告)日:2018-10-11
申请号:CA3059089
申请日:2018-04-04
Applicant: BASF SE
Inventor: KUSCHEL ANDREAS , LIZANDARA CARLOS , SCHUNK STEPHAN A , TITLBACH SVEN , ROTHER JOERG , BECHTEL JUERGEN , DREBOV NEDKO STEFANOV , MAIXNER STEFAN , HINRICHS MATTHIAS , HALABI MOHAMED , MUELLER IMKE BRITTA , FENYN MICHAELA
IPC: C07C263/14 , C07C265/12 , C07C265/14
Abstract: A process for preparing an aromatic isocyanate by direct carbonylation of a nitro aromatic compound by reacting the nitro aromatic compound with carbon monoxide in the presence of a catalyst, characterized in that the catalyst contains a multi metallic material comprising one or more binary intermetallic phases of the general formula AxBy wherein: A is one or more element selected from Ni, Ru, Rh, Pd, Ir, Pt and Ag, B is one or more element selected from Sn, Sb, Pb, Zn, Ga, In, Ge and As, x is in the range 0.1 10, y in is in the range 0.1 10.