Demethylation of Aromatic Methyl Ethers Using Ionic Liquids under Microwave Irradiation

Mikko      Passiniemi; Mikko      J. Myllymaki; Juha      Vuokko; Ari      M.P. Koskinen

doi:10.2174/157017811794557741

Abstract

An efficient demethylation reaction for aromatic methyl ethers has been developed. Deprotection reactions give high yields with butylpyridinium bromide under microwave irradiation. Basic and acidic functional groups are tolerated if the reaction is performed under acidic conditions.

Keywords: Aromatic ether, demethylation, ionic liquid, microwave irradiation, solvent free

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Letters in Organic Chemistry

Title: Demethylation of Aromatic Methyl Ethers Using Ionic Liquids under Microwave Irradiation

Volume: 8 Issue: 1

Author(s): Mikko Passiniemi, Mikko J. Myllymaki, Juha Vuokko and Ari M.P. Koskinen

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Keywords: Aromatic ether, demethylation, ionic liquid, microwave irradiation, solvent free

Abstract: An efficient demethylation reaction for aromatic methyl ethers has been developed. Deprotection reactions give high yields with butylpyridinium bromide under microwave irradiation. Basic and acidic functional groups are tolerated if the reaction is performed under acidic conditions.

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Passiniemi Mikko, J. Myllymaki Mikko, Vuokko Juha and M.P. Koskinen Ari, Demethylation of Aromatic Methyl Ethers Using Ionic Liquids under Microwave Irradiation, Letters in Organic Chemistry 2011; 8 (1) . https://dx.doi.org/10.2174/157017811794557741