Abstract:The catalytic activity of silica-supported molybdenum oxides for olefin metathesis depends strongly on the metal loading and preparation conditions indicating that the nature and/or amounts of the active sites vary across catalysts. This is illustrated by comparing Mo-based (pre)catalysts prepared by impregnation with different metal loadings (2.5-15.6 wt% Mo) and a well-defined model material (2.3 wt% Mo) prepared via a surface organometallic chemistry (SOMC) synthetic approach. Analyses of FTIR, UV-vis, and … Show more
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