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W(CO)5(L)-Catalyzed Endo-Selective Cyclization of Allenyl Silyl Enol Ethers: An Efficient Method for the Cyclopentene Annulation onto α,β-Unsaturated Ketones.

✍ Scribed by Tomoya Miura; Koichi Kiyota; Hiroyuki Kusama; Kooyeon Lee; Hyunseok Kim; Sunggak Kim; Phil Ho Lee; Nobuharu Iwasawa

Publisher
John Wiley and Sons
Year
2003
Weight
180 KB
Volume
34
Category
Article
ISSN
0931-7597

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Gold-Catalyzed 5- and 6-exo-dig Selectiv
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## Abstract An efficient method for the annulation of five‐ and six‐membered rings onto α,β‐enones is described __via__ gold‐catalyzed 5‐ and 6‐__exo__‐__dig__ selective cyclizations of alkynyl silyl enol ethers.

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