Facile oxygenation reactions of ruthenium acetylide complex containing substituted olefinic group.
2011
Reaction of the ruthenium acetylide complex Cp(dppe)RuCCCH(OMe)CPh2–CH2CHCMe2 (5a) with oxygen readily gives acetone and the acyl complex 6 in almost quantitative yield. Protonation of 5a is followed by an elimination of MeOH and a hydroxyl addition at Cα in the presence of water to give the hydroxycarbene complex 7a. The structures of the acyl complex 6 and the hydroxycarbene complex 7c are fully characterized by single crystal X-ray diffraction analysis.
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