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Dry Chemistry of Ferrate(VI): A Solvent‐Free Mechanochemical Way for Versatile Green Oxidation
Author(s) -
Zhang ZhaoYang,
Ji Deyang,
Mao Wenting,
Cui Yu,
Wang Qing,
Han Lu,
Zhong Hongliang,
Wei Zhongming,
Zhao Yixin,
Nørgaard Kasper,
Li Tao
Publication year - 2018
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201805998
Subject(s) - oxidizing agent , chemistry , mechanochemistry , green chemistry , redox , solvent , reactivity (psychology) , environmentally friendly , organic chemistry , oxidation state , combinatorial chemistry , catalysis , inorganic chemistry , reaction mechanism , medicine , ecology , alternative medicine , pathology , biology
The +6 oxidation state of iron generally exists in the form of ferrate(VI) with high redox potential and environmentally friendly nature. Although ferrate(VI) has been known for over a century, its chemistry is still limited to the solvent‐based reactions that suffers from the insolubility/instability of this oxidant and the environmental issues caused by hazardous solvents. Herein, we explore the solvent‐free reactivity of ferrate(VI) under mechanical milling, revealing that its strong oxidizing power is accessible in the “dry” solid state towards a broad variety of substrates, for example, aromatic alcohols/aldehydes and carbon nanotubes. More significantly, solvent‐free mechanochemistry also reshapes the oxidizing ability of ferrate(VI) due to the underlying solvent‐free effect and the promotive mechanical actions. This study opens up a new chemistry of ferrate(VI) with promising application in green oxidative transformation of both organic and inorganic substrates.