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Synfacts 2006(12): 1241-1241  
DOI: 10.1055/s-2006-955636
Metal-Catalyzed Asymmetric Synthesis and Stereoselective Reactions
© Georg Thieme Verlag Stuttgart · New York

Cycloisomerizations of Ene-Ynamides Mediated by Gold

Contributor(s): Mark Lautens, Yann Béthuel
S. Couty, C. Meyer, J. Cossy*
ESPCI, Paris, France
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Publikationsdatum:
22. November 2006 (online)

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Significance

More and more gold-catalyzed processes are being uncovered. The use of gold to catalyze a cycloisomerization of enynes (S. Ma, S. Yu, Z. Gu Angew. Chem. Int. Ed. 2006, 45, 200-203) currently represents a field of growing interest. The high reactivity and the mildness of gold catalysis have never been applied to the cyclo­isomerization of 1,6-ene-ynamides before the present report by Cossy and Meyer, who find unusual reaction products depending on the substitution.