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Wei Yuan, Dr. Yin Wei and Prof. Dr. Min Shi Ruthenium-Catalyzed Intramolecular [2+2+2] Cycloaddition and Tandem Cross-Metathesis of Triynes and Enediynes ChemistryOpen 2

Version of Record online: 19 FEB 2013 | DOI: 10.1002/open.201300002

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Back to generation one! Catalyzed by the first-generation Grubbs ruthenium complex, intramolecular [2+2+2] cycloaddition of triynes to their benzene derivatives 2 and tandem cross-metathesis reactions of enediynes to their conjugated triene derivatives 4 perform smoothly in moderate to good yields under mild conditions. A possible reaction mechanism is presented on the basis of deuterium-labeling results.

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