| 摘要 |
A catalytic composition comprises at least one quaternary ammonium and/or phosphonium salt in which the anion is preferably selected from the group formed by tetrafluoroborate, tetrachloroborate, hexafluorophosphate, hexafluoroantimonate, hexafluoroarsenate, trifluorosulphonate, fluorosulphonate, tetrachloroaluminate, dichlorocuprate, and trichlorozincate, and at least one complex of a transition metal from groups 8, 9 and 10, i.e., iron, ruthenium, cobalt, rhodium, iridium, nickel, palladium and platinum, is for the displacement of the double bond in olefins.
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