Bimetallic noble metal carbonyl compounds, process for the preparation of catalysts and the use of catalysts

摘要

Noble metal clusters, characterized by high sintering stability, are fixed on surfaces by depositing anionic polynuclear noble metal cluster carbonyl compounds, specially bimetallic, on surfaces containing silanol group-carrying silica or Si mixed oxide and subsequent thermolysis. The carrier catalysts thus obtained have a long, highly active working life and can be used in heterogenously catalyzed hydrogenations and oxidations.