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Metal-Free Hydrogenation of Electron-Poor Allenes and Alkenes


  • Generous financial support from the Fonds der Chemischen Industrie and the European Research Council (ERC Starting grant agreement no. 277963) is gratefully acknowledged. We also thank Prof. A. Fürstner for constant encouragement and the NMR spectroscopy and X-ray crystallography departments of our institute for excellent support.


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The poorer, the better: A metal-free catalytic procedure for the reduction of electron-poor allenes and alkenes has been developed. The method employs a frustrated Lewis pair based catalyst. 1,4-Diazabicyclo[2.2.2]octane (DABCO)/B(C6F5)3 was shown to be the best combination in optimization studies.

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