H₂O₂-Oxidation of Alcohols Promoted by Polymeric Phosphotungstate Catalysts

Yoichi M. A. Yamada, Chung Keun Jin and Yasuhiro Uozumi

*RIKEN Advanced Science Institute, Wako, Saitama 351-0198, Japan, and Institute for Molecular Science, Okazaki, Aichi 444-8787, Japan, Email: uoriken.jp

Y. M. A. Yamada, C. K. Jin, Y. Uozumi, Org. Lett., 2010, 12, 4540-4543.

DOI: 10.1021/ol101839m

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Abstract

A recyclable, polymeric phosphotungstate catalyst bearing a poly(ethylene oxide-pyridinium) matrix efficiently promoted oxidation of various secondary alcohols, including highly sterically demanding neopentyl alcohols, with hydrogen peroxide, to afford the corresponding carbonyl compounds in up to quantitative yield. The chemoselective oxidation in the presence of primary alcohols was achieved.

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Key Words

oxidation of alcohols, green chemistry

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ID: J54-Y2010-2830