C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
202/61, 260/587.
C07C 49/04 (2006.01) C07C 45/28 (2006.01) C07C 45/84 (2006.01)
Patent
CA 1194499
Abstract Pinacolone is prepared by adding 2,3 dimethyl-2- butene and an aqueous solution of hydrogen peroxide at a temperature of 20 to 90°C to a solution which contains water and one or more carboxylic acids having 1 to 8 C atoms and which can, if desired, also contain small amounts of a strong acid, increasing the temperature after substantial or complete reaction of the hydrogen peroxide, and distil- ling off as an azeotropic mixture with water the pinacolone formed.
424364
Rauleder Gebhard
Waldmann Helmut
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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