Metal carbonyl chemistry. Part XXII. Some reactions of the anions [M(CO)2(PPh3)2]–(M = rhodium or iridium) with fluoro-olefins and hexafluorobut-2-yne
Abstract
Perfluorocyclohexene and perfluorocyclobutene react with the anions [M(CO)2(PPh3)2]-(M = Rh or Ir) to affordr the complexes [([graphic omitted]·M(CO)2(PPh3)2] and [([graphic omitted]·M(CO)2(PPh3)2] respectively. Reaction of the rhodium anion with CF2:CFCl similarly gives [(CF2:CF)Rh(CO)2(PPh3)2] whereas the iridium anion does not react. The preparations are also described of the compounds [{CF3·CH:C(CF3)}M(CO)2(PPh3)2] by reaction of these anions with hexafluorobut-2-yne in tetrahydrofuran.
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