Manufacture of ketone derivatives of polyoxypropylene glycols

Details Manufacture of ketone derivatives of polyoxypropylene glycols Manufacture of ketone derivatives of polyoxypropylene glycols

C - Chemistry, Metallurgy

07

C

260/585.1

C07C 45/29 (2006.01) C07C 45/30 (2006.01) C07C 49/175 (2006.01) C07C 49/255 (2006.01) C08G 65/324 (2006.01)

Patent

CA 2027172

MANUFACTURE OF KETONE DERIVATIVES OF POLYOXYPROPYLENE GLYCOLS (Docket No. 80,902-F) ABSTRACT OF DISCLOSURE Polyoxypropylene diketones are prepared by initially adding predetermined amounts of glacial acetic acid, a poly- oxypropylene glycol and, optionally, water, to a reaction zone and thereafter adding an aqueous solution of an alkali metal or an alkaline earth metal hypochlorite oxidant to the reaction zone with agitation under reaction conditions including a temperature of about 10° to about 50°C., a pressure of about 0 to 1,000 psig. and a total reaction time of about 0.5 to 20 hours, whereby said polyoxypropylene glycol will be substantially selectively converted to the said corresponding diketone, and recovering said diketone.

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