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/Author (Ngoc-Lan Thi Nguyen, Hong-Thom Vo, Fritz Duus and Thi Xuan Thi Luu)
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/Keywords (Friedel-Crafts sulfinylation; sulfinic ester; synthesis of sulfoxide; ultrasound irradiation; chloroaluminate-based ionic liquid)
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/Subject (The sulfinylation reaction of aromatic and hetero-aromatic compounds with sulfinic esters as electrophiles has been investigated in different ionic liquids and by means of different Lewis acid salts in order to get moderate to good yields of asymmetrical sulfoxides. Mixtures of 1-butyl-3-methylimidazolium chloride and aluminum chloride were found to be the most efficient and recyclable reaction framework. Ultrasound sonication appeared to be the most useful and green activation method to afford the sulfoxides in yields better than or equivalent to those obtained under the longer-lasting conventional stirring conditions.)
/Title (Dramatic Influence of Ionic Liquid and Ultrasound Irradiation on the Electrophilic Sulfinylation of Aromatic Compounds by Sulfinic Esters)
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Ngoc-Lan Thi Nguyen, Hong-Thom Vo, Fritz Duus and Thi Xuan Thi Luu
The sulfinylation reaction of aromatic and hetero-aromatic compounds with sulfinic esters as electrophiles has been investigated in different ionic liquids and by means of different Lewis acid salts in order to get moderate to good yields of asymmetrical sulfoxides. Mixtures of 1-butyl-3-methylimidazolium chloride and aluminum chloride were found to be the most efficient and recyclable reaction framework. Ultrasound sonication appeared to be the most useful and green activation method to afford the sulfoxides in yields better than or equivalent to those obtained under the longer-lasting conventional stirring conditions.
Dramatic Influence of Ionic Liquid and Ultrasound Irradiation on the Electrophilic Sulfinylation of Aromatic Compounds by Sulfinic Esters
2017-09-04T10:21:45+08:00
LaTeX with hyperref package
2017-12-14T18:09:52+01:00
2017-12-14T18:09:52+01:00
Friedel-Crafts sulfinylation; sulfinic ester; synthesis of sulfoxide; ultrasound irradiation; chloroaluminate-based ionic liquid
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