Cycloheptyne–cobalt complexes via allylation of stabilized γ-carbonyl cations
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Chemical Communications, ISSN: 1359-7345, Vol: 0, Issue: 16, Page: 1751-1752
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- Chemical Engineering; Materials Science; Chemistry
The BuBOTf mediated reaction of stannylsilanes (5 and 9) with γ-methoxy-alkynoate and -alkynone hexacarbonyldicobalt complexes (8), followed by conversion of the organic carbonyl into an acetate and a BF·OEtmediated intramolecular reaction, affords cycloheptenyne hexacarbonyldicobalt complexes (13 and 15).