Preparation of poly(vinyl BENZYLTRIPHENYLPHOSPHONIUM DICHROMATE (cas 134863-27-7)) and its application as an oxidizing agent

Add time:08/03/2019    Source:sciencedirect.com

Insoluble poly(vinyl benzyltriphenylphosphonium dichromate) reagent was prepared by chemical modification of 2% crosslinked polychloromethylstyrene with triphenylphosphine, followed by treatment of the obtained polymeric salt with chromium trioxide in water. The activity of the resulting polymeric dichromate reagent was compared with that of the low molecular weight model reagent in selective oxidation of alcohols to the corresponding carbonyl compounds. The polymeric reagent could be easily regenerated and re-used with little loss of activity.

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