Article ID Journal Published Year Pages File Type
5227273 Tetrahedron 2009 9 Pages PDF
Abstract

Gold-catalyzed nucleophilic substitution of propargylic alcohols with various nucleophiles (allylsilane, electron-rich aromatics, alcohols, thiols, hydrides, 1,3-dicarbonyl derivatives, sulfonamides) is described under very mild conditions (room temperature in dichloromethane). Preliminary mechanistic investigations suggest a mechanism through a carbocation intermediate. Nucleophilic substitutions on allylic and benzylic alcohols are also described.

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Physical Sciences and Engineering Chemistry Organic Chemistry
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