Sodium Tungstate Dihydrate-V

Recently, a catalytic system based on Na2WO4.2H2O/CH3CO2H/H2O2 was developed as an effective method to oxidize natural rubber (with a large number of carbon-carbon double bonds in its structure) into the corresponding epoxy derivatives. This catalytic system possesses much higher epoxidation efficiency than the traditional CH3CO2H/H2O2 system. The proposed method also induces further oxidation of the epoxides into the corresponding ketones and aldehydes, resulting from C-C cleavage.


 

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