Gold(I)-catalyzed synthesis of highly substituted furans |
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| Authors: | Suhre Michael H Reif Michael Kirsch Stefan F |
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| Affiliation: | Lehrstuhl für Organische Chemie I, Technische Universit?t München, Lichtenbergstrasse 4, D-85747 Garching, Germany. |
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| Abstract: | Cationic triphenylphosphinegold(I) complexes are excellent catalysts for a cascade reaction of propargyl-Claisen rearrangement and heterocyclization to synthesize tri- and tetrasubstituted furans. Starting from easily accessed propargyl vinyl ethers, the furans are obtained in 72-99% yield. [reaction: see text] |
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