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Direct Liquid‐Phase Sulfonation of Methane to Methanesulfonic Acid by SO 3 in the Presence of a Metal Peroxide
Author(s) -
Mukhopadhyay Sudip,
Bell Alexis T.
Publication year - 2003
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200390260
Subject(s) - methanesulfonic acid , methane , peroxide , chemistry , metal , anaerobic oxidation of methane , phase (matter) , inorganic chemistry , hydrogen peroxide , liquid phase , organic chemistry , physics , thermodynamics
Activation of methane by metal peroxides: Calcium peroxide serves as an effective radical initiator in the liquid‐phase sulfonation of methane to methansulfonic acid (MSA) by SO 3 [Eq. (1)]. Under the best reaction conditions a 91 % conversion of SO 3 to MSA was achieved.$\rm{{\rm CH}_{4}+{\rm SO}_{3}\longrightarrow{{\rm metal}\ {\rm peroxide}}{{\scriptstyle65\,^{o}{\rm C},\ 5\,{\rm h}\atop{\scriptstyle{\rm solvent}\ {\rm sulfuric}\ {\rm acid}}}}{\rm CH}_{3}{\rm SO}_{3}{\rm H}}$