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| Catalytic oxidative coupling of arenes with alkenes to give aryl alkenes is a highly desirable goal. Such a reaction, which does not require the utilization of a reactive substituent, and does not produce waste, may have an advantage over other methods for the preparation of aromatic alkenes. Previously reported catalysts that use peroxide oxidants and acetic acid solvent are problematic from the industrial point of view. Attempts to use O2 or air resulted in low activity and side reactions. The present invention relates to a novel oxidative coupling of arenes with olefins to yield aryl alkenes, which uses ruthenium (Ru) or Osmium (Os) compounds as catalysts.Catalytic oxidative coupling arenes alkenes aryl desirable goal reaction utilization reactive substituent waste preparation aromatic well-known Heck vinylation halides Previous works Tsuji demonstrated catalysis peroxides oxidants systems good catalytic activity acrylates acetic acid solvent problematic industrial point view Attempts O2or air intramolecular intermolecular oxidation took |
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