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Cinchona Alkaloid Amide/Copper(II) Catalyzed Diastereo- and Enantioselective Vinylogous Mannich Reaction of Ketimines with Siloxyfurans


  • M.H. thanks JSPS for research fellowships. We thank Prof. Norio Shibata at Nagoya Institute of Technology for unrestricted access to the analytical facilities.


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Managing the Mannich: The first enantioselective vinylogous Mannich reaction of siloxyfurans with ketimines derived from unactivated ketones has been developed. Excellent yields and enantioselectivities were obtained using a new class of readily accessible cinchona alkaloid amide/Cu(OAc)2 catalysts on a range of substrates.

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