Gold-Catalyzed 5- and 6-exo-dig Selective Cyclizations of Alkynyl Silyl Enol Ethers: Efficient Method for [3+2] and [4+2] Annulations onto α,β-Enones
2007 ◽
Vol 349
(13)
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pp. 2092-2096
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2014 ◽
Vol 18
(5)
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pp. 525-546
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