The preparation of the first α-vinylidenepenams
作者： John D. Buynak , H.B. Borate , Chad Husting , Trace Hurd , Jyoti Vallabh
DOI: 10.1016/S0040-4039(00)80677-2
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摘要: Abstract Benzyl esters of the first 6-vinylidenepenams have been prepared by reaction 6-position propargylic triflates with higher order organocuprates. This methodology permits a great deal versatility in introduction substituents at terminal allenyl position.
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