| 摘要 |
A catalyst for the oxidation of an olefin to an unsaturated aldehyde comprising a mixed metal oxide having the formula (I): MoaWbMcM'dM''eZfOg(I) where M represents trivalent metals, M' represents divalent metals, M'' represents monovalent metals, Z represents elements in the form of an oxide, a, b, c, d, e, f and g are numbers, and where the catalyst has an anion to cation molar (ACM) ratio greater than 1.00 and less than 2.00 and an M' to M molar ratio between 1.95 and 2.15.
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