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Silver(I)-Catalyzed Addition of Zirconocenes to Glycal Epoxides. A New Synthesis of α-C-Glycosides

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journal contribution
posted on 03.02.2005, 00:00 by Peter Wipf, Joshua G. Pierce, Nian Zhuang
Hydrozirconation of terminal alkynes, followed by AgClO4-catalyzed in situ addition of the resultant alkenylzirconocenes to 1,2-anhydrosugars (glycal epoxides) leads to α-C-glycosides in moderate to high yields.

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