Preparation of cyclic-keto-acids

Details Preparation of cyclic-keto-acids Preparation of cyclic-keto-acids

C - Chemistry, Metallurgy

07

C

260/518

C07C 59/80 (2006.01)

Patent

CA 1199334

Abstract of the Disclosure PREPARATION OF CYCLIC-KETO-ACIDS Cyclic-keto-acids of the general formula: Image wherein R is hydrogen or a monovalent alkyl radical which can be either straight chain or branched having from 1 to 20 carbon atoms and X = 1, 3, 4 or 5, are prepared by reacting a functionalized 1-bromoalkane of the formula: Image wherein R and X are as defined above and Y is a leaving group, preferably the halogens, in a liquid solvent medium with carbon monoxide at elevated temperature and pressure in the presence of a catalytic amount of a metal carbonyl compound and an alkali or an alkaline earth metal inorganic base.

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