Mechanochemical sulfonation of aromatic compounds using NaHSO <sub>4</sub> ·H <sub>2</sub> O/P <sub>2</sub> O <sub>5</sub>
Lu-Lu ZuoDepartment of Chemistry, Renmin University of China, Beijing, P.R. ChinaShuai QinDepartment of Chemistry, Renmin University of China, Beijing, P.R. ChinaPu ZhangDepartment of Chemistry, Renmin University of China, Beijing, P.R. ChinaYujun QinDepartment of Chemistry, Renmin University of China, Beijing, P.R. ChinaZhi‐Xin GuoDepartment of Chemistry, Renmin University of China, Beijing, P.R. China
2021en
ABI
Abstract
A series of aromatic sulfonic acids is synthesized by subjecting arenes and NaHSO 4 ·H 2 O to high-speed ball milling in the presence of P 2 O 5 . It is suggested the aromatic sulfonation occurs via in situ generated H 2 SO 4 to give aromatic sulfonic acids. In some cases, formation of diaryl sulfones was observed.
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