Catalysis Communications p. 112 - 115 (2014)
Update date:2022-08-28
Topics:
Yan, Yongtao
Tong, Xinli
Wang, Kaixuan
Bai, Xueqin
The use of molecular oxygen as the oxidant and water as reaction medium is a charming research orientation in the oxidation of alcohols. In this communication, the efficient aerobic oxidation of alcohols to the corresponding carbonyl compounds in aqueous media has been achieved with TEMPO-containing catalytic systems. In the absence of base/acid, a 99% conversion and 94% selectivity for benzaldehyde were obtained for the oxidation of benzyl alcohol by TEMPO-Ce(IV)-NaNO2 in water. Moreover, the effects of quaternary ammonium salts and anionic surfactants were investigated. The aerobic selective oxidation of different non-heterocyclic alcohols in aqueous media was further investigated, and the moderate to high yields (45.5-98.0%) of products were obtained.
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