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

[ Vol. 8 , Issue. 1 ]


Fumiyoshi Ozaki and Yutaka Okada*   Pages 3 - 6 ( 4 )


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.


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


Department of Applied Chemistry, Ritsumeikan University, Kusatsu, Department of Applied Chemistry, Ritsumeikan University, Kusatsu

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