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Synfacts 2009(6): 0639-0639  
DOI: 10.1055/s-0029-1216783
Metal-Catalyzed Asymmetric Synthesis and Stereoselective Reactions
© Georg Thieme Verlag Stuttgart ˙ New York

Gold(I)-Mediated Asymmetric Carboalkoxylation

Contributor(s): Mark Lautens, David A. Candito
M. Uemura, I. D. G. Watson, M. Katsukawa, F. D. Toste*
University of California, Berkeley, USA
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Publikationsdatum:
25. Mai 2009 (online)

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Significance

The authors report a gold(I)-catalyzed carboalkoxylation for the asymmetric synthesis of benzopyrans. This report significantly expands the repertoire of enantioselective transformations available to gold carbenoids generated via 1,2-rearrangement of propargyl esters.