Metal-Catalyzed Acyl Transfer Reactions of Enol Esters: Role of Y5(OiPr)13O and (thd)2Y(OiPr) as Transesterification Catalysts
Mei-Huey Lin and T. V. RajanBabu
*Department of Chemistry, 100 West 18th Avenue, The Ohio State University, Columbus, Ohio 43210, Email: rajanbabu.1osu.edu
M.-H. Lin, T. V. RajanBabu, Org. Lett., 2000, 2, 997-1000.
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Primary and secondary alcohols react with vinyl or isopropenyl acetate at room temperature in the presence of Y5(OiPr)13O as catalyst to give the corresponding esters. In selected cases, the yttrium catalyst promotes a selective O-acylation of amino alcohols without the formation of the amide.
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