One-Pot preparation of 2-arylbenzofurans from oximes with diaryliodonium triflate

DOI: 10.3987/COM-14-13071

Source and publish data:

Heterocycles p. 2122 - 2136 (2014)

Update date:2022-08-05

Topics:

Authors:

Miyagi, Kotaro

Moriyama, Katsuhiko

Togo, Hideo

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Article abstract of DOI:10.3987/COM-14-13071

A variety of 2-arylbenzofurans were obtained in good yields by the O-arylation of oximes with diaryliodonium triflates, followed by the treatment with HCl in dioxane under warming conditions through the [3,3]-sigmatropic reaction. The present reaction is one-pot transition metal-free method for the preparation of various 2-arylbenzofurans from oximes, which are easily available from the reaction of alkyl aryl ketones with hydroxylamine.

Full text of DOI:10.3987/COM-14-13071

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