Article ID Journal Published Year Pages File Type
5272173 Tetrahedron Letters 2009 4 Pages PDF
Abstract

The asymmetric BF3·Et2O catalyzed nucleophilic reactions of 3-silyloxypiperidine N,O-acetal 10 with silyl enol ethers derived from ketones are described. (+)-Febrifugine 1, an antimalarial alkaloid, was successfully synthesized based on this nucleophilic substitution. In addition, N,O-acetal 10 was synthesized from l-benzyl glutamate in 11 steps.

Graphical abstractThe asymmetric BF3·Et2O-catalyzed nucleophilic reactions of 3-silyloxypiperidine N,O-acetal 10 with silyl enol ethers derived from ketones are described. (+)-Febrifugine 1, an antimalarial alkaloid, was successfully synthesized based on this nucleophilic substitution.Download full-size image

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Physical Sciences and Engineering Chemistry Organic Chemistry
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