Synlett

Lithium hexafluorophosphate-catalyzed efficient tetrahydropyranylation of tertiary alcohols under mild reaction conditions

N Hamada, T Sato

Index: Hamada, Nao; Sato, Tsuneo Synlett, 2004 , # 10 p. 1802 - 1804

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Citation Number: 2

Abstract

It is worth mentioning that tertiary alcohols both in allylic and propargylic positions underwent smooth tetrahydropyranylation without any trace of by-products arising from rearrangement (entries 3, 5, and 6). Exposure of homoallylic and homobenzylic alcohols to LiPF 6 -DHP furnished

110-87-2

3,4-Dihydro-2H-pyran

~0%

~51%

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