Microwave-assisted Claisen Rearrangement of 1-Allyloxy-4-hydroxybenzene in the Presence of Metal Salt

Author(s): Fumiyoshi Ozaki, Yutaka Okada*

Journal Name: Current Microwave Chemistry

Volume 8 , Issue 1 , 2021


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Abstract:

Microwave-assisted Claisen rearrangement of allyloxybenzene with a hydroxyl group was conducted in the presence of metal salts. The rearrangement was promoted in the presence of an alkali metal salt, because the reaction substrate was converted into a phenoxide-type ion, which can efficiently absorb microwaves. In contrast, a Lewis acid was strongly coordinated to the ethereal oxygen, and this structure could also absorb microwaves efficiently.

Keywords: Microwave irradiation effect, Claisen rearrangement, metal salt, allylarenes, electron density, ethereal oxygen, phenoxide ion.

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Article Details

VOLUME: 8
ISSUE: 1
Year: 2021
Published on: 05 January, 2021
Page: [3 - 6]
Pages: 4
DOI: 10.2174/2213335607666210106094449

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