ε‐Caprolactamium Hydrogen Sulfate: An Ionic Liquid Used for Decades in the Large‐Scale Production of ε‐Caprolactam | Zendy

Fábos Viktória | Zendy; Lantos Diána | Zendy; Bodor Andrea | Zendy; Bálint AnaMaria | Zendy; Mika László T. | Zendy; Sielcken Ot E. | Zendy; Cuiper Agnes | Zendy; Horváth István T. | Zendy

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ε‐Caprolactamium Hydrogen Sulfate: An Ionic Liquid Used for Decades in the Large‐Scale Production of ε‐Caprolactam

Author(s) -

Fábos Viktória,

Lantos Diána,

Bodor Andrea,

Bálint AnaMaria,

Mika László T.,

Sielcken Ot E.,

Cuiper Agnes,

Horváth István T.

Publication year - 2008

Publication title -

chemsuschem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.412

H-Index - 157

eISSN - 1864-564X

pISSN - 1864-5631

DOI - 10.1002/cssc.200700135

Subject(s) - caprolactam , oleum , beckmann rearrangement , ionic liquid , cyclohexanone oxime , cyclohexanone , hydrogen sulfate , chemistry , sulfuric acid , sulfate , inorganic chemistry , organic chemistry , chemical engineering , catalysis , engineering

An iconic liquid : Investigation of the mechanism of the Beckmann rearrangement of cyclohexanone oxime to ε‐caprolactam ( 1 ) in sulfuric acid or oleum has led to the conclusion that the manufacturing process for ε‐caprolactam is in fact the largest‐scale industrial technology that has been using an ionic liquid, caprolactamium hydrogen sulfate ( 2 ), as the reaction medium for decades.

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