Rhenium (I)??Catalyzed Cyclization of Silyl Enol Ethers Containing a Propargyl Carboxylate Moiety: Versatile Access to Highly Substituted Phenols

…, Y Onizawa, H Kusama, N Iwasawa

Index: Saito, Kodai; Onizawa, Yuji; Kusama, Hiroyuki; Iwasawa, Nobuharu Chemistry - A European Journal, 2010 , vol. 16, # 16 p. 4716 - 4720

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Citation Number: 12

Abstract

The use of propargyl carboxylates as substrates for the electrophilic activation of alkynes has been studied extensively and a variety of useful transformations have been developed utilizing intermediates generated by 1, 2-or 1, 3-acyloxy migration of the carboxylates.[1] As part of our ongoing research into the [W (CO) 5 (L)]-and [ReCl (CO) 4 (L)]-catalyzed cyclization of acetylenic silyl enol ethers through electrophilic activation of the alkyne ...

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