Oxidation of polyoxypropylene glycols

Details Oxidation of polyoxypropylene glycols Oxidation of polyoxypropylene glycols

C - Chemistry, Metallurgy

07

C

260/527.1, 260/5

C07C 45/29 (2006.01) C07C 49/255 (2006.01) C07C 51/27 (2006.01) C07C 59/215 (2006.01) C07C 59/305 (2006.01)

Patent

CA 2026937

OXIDATION OF POLYOXYPROPYLENE GLYCOLS (Docket No. 80,872-F) ABSTRACT OF THE DISCLOSURE Carboxylic acid derivatives and methyl ketone deriva- tives of polyoxyproylene glycols are prepared by the selec- tive nitric acid oxidation of a polyoxypropylene glycol in the presence of an alkali metal nitrite. If the alkali metal nitrite is added to an aqueous solution of nitric acid and the polyoxypropylene glycol is thereafter added, car- boxylic acid derivatives of the polyoxypropylene glycol are provided. If a mixture of an alkali metal nitrite and a polyoxypropylene glycol is added to an aqueous solution of nitric acid, a reaction product containing a predominant amount of methyl ketone derivatives of the polyoxypropylene glycol is provided.

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