Facile Synthesis of Benzaldehyde-Functionalized Ionic Liquids and Their Flexible Functional Group Transformations | Zendy

Qiang Huang | Zendy; BaoZhong Zheng | Zendy

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Facile Synthesis of Benzaldehyde-Functionalized Ionic Liquids and Their Flexible Functional Group Transformations

Author(s) -

Qiang Huang,

BaoZhong Zheng

Publication year - 2012

Publication title -

organic chemistry international

Language(s) - English

Resource type - Journals

eISSN - 2090-2018

pISSN - 2090-200X

DOI - 10.1155/2012/208128

Subject(s) - benzaldehyde , ionic liquid , chemistry , aniline , aldehyde , yield (engineering) , hydrazine (antidepressant) , ionic bonding , alkyl , organic chemistry , amination , reductive amination , hydrate , polymer chemistry , ion , catalysis , materials science , chromatography , metallurgy

Three benzaldehyde-functionalized ionic liquids were readily synthesized by quaternization of N-alkylimidazole with benzaldehyde-functionalized alkyl bromides under microwave irradiation in good yield. These aldehyde-functionalized ionic liquids could easily be oxidized in the presence of H2O2/KOH or be reduced by NaBH4 leading to the formation of the corresponding carboxyl-functionalized ionic liquids or benzylic alcohol-functionalized ionic liquids. In addition, the condensations of these functionalized ones with hydrazine hydrate and with aniline under reductive amination conditions were demonstrated

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