Sodium Tungstate Dihydrate-VII

The same approach can be used for primary alcohols. However, in the case of primary benzylic alcohols, the amount of hydrogen peroxide used affects the final product. Noyori and co-workers reported that when a small amount of hydrogen peroxide (< 1.5 molar amount) is used to oxidize primary benzylic alcohols, the corresponding aldehydes can be obtained; if a higher amount of hydrogen peroxide (2.5 - 5 molar amount) is added, the corresponding benzoic acids can be produced. The efficiency is highly dependent on the electronic propertiesof substituents.


 

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