| 摘要 |
The present invention relates to the preparation of unsaturated carboxylic acids from the corresponding alkane, in the presence of an oxygen source, by using a catalyst based on tin, oxygen and at least one element chosen from vanadium, niobium, tantalum, chromium, molybdenum, antimony, tungsten, gallium, indium, bismuth, tellurium, selenium, phosphorus, arsenic, germanium, aluminium and silicon. <IMAGE>
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