Process for preparing diketones and keto-acids

Details Process for preparing diketones and keto-acids Process for preparing diketones and keto-acids

C - Chemistry, Metallurgy

07

C

C07C 49/84 (2006.01) C07C 45/45 (2006.01) C07C 45/46 (2006.01) C07C 45/81 (2006.01) C07C 45/82 (2006.01) C07C 49/782 (2006.01) C07C 49/784 (2006.01) C07C 51/373 (2006.01) C07C 65/40 (2006.01) C07C 317/32 (2006.01) C07C 323/22 (2006.01) C07D 307/91 (2006.01) C07D 311/82 (2006.01) C07D 319/24 (2006.01)

Patent

CA 2086412

2086412 9201662 PCTABS00010 This invention concerns a process for preparing diketones and keto-acids by reacting a dicarboxylic acid and an aromatic compound in the presence of an alkylsulfonic acid such as methanesulfonic acid and an organic anhydride compound such as methanesulfonic anhydride or trifluoroacetic anhydride. The diketones and keto-acids can be used to prepare polyketones which are useful as molding plastics, coatings, films, fibers, and the like.

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