Sodium Tungstate Dihydrate-I

1.Introduction
Sodium tungstate dihydrate is a commercially available reagent which exists in the form of a crystalline white solid. Sodium tungstate dihydrate is usually used in the synthesis of inorganic compounds, namely in polyoxometalates synthesis. It can also be used in organic chemistry as a green catalyst or catalyst precursor, since sodium tungstate dihydrate is able to catalyze the oxidation of several substrates in the presence of hydrogen peroxide, generating only water as the by-product (Scheme 1). On the other hand, the conjugation of this reagent with other inorganic reagents used in polyoxometalates synthesis permits the formation of several complexes, mainly peroxocomplexes, which can catalyze some oxidation reactions by themselves.


 

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