Abstract
The reactions of polymeric analogs of benzyl-diphenylphosphine and -triphenylphosphine with a variety of metal carbonyls have been examined using both thermal and photochemical techniques. Metal derivatives of both linear polymers and swellable cross-linked resins have been synthesized in this manner. The catalysis of hydroformylation and isomerization reactions have been studied using a polymeric derivative of dicobalt hexacarbonyl. The catalyst could be very easily recycled and gave product yields in the hydroformylation of pentenes quite similar to those reported earlier using the corresponding homogeneous species. The cyclization of ethyl propiolate has also been carried out using a new polymeric nickel complex. Benzene isomers are isolated during the initial use of this catalyst whereas cyclooctatetraene isomers, in addition, are observed using the recycled catalyst.
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