C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 45/30 (2006.01) C07C 49/08 (2006.01) C07C 49/14 (2006.01) C07C 49/784 (2006.01) C07C 49/82 (2006.01) C07D 309/30 (2006.01) C07F 9/59 (2006.01) C07F 9/6593 (2006.01) C08G 79/02 (2006.01)
Patent
CA 2326304
The invention relates to a process for the selective oxidation of alcohols to ketones or to aldehydes by means of an alkali hypohalite under alkaline conditions, which comprises carrying out the oxidation in the presence of a heterogeneous oxidation catalyst that is insoluble in the reaction medium and is selected from the group comprising the compounds of formula (I) (see formula I, see formula II, see formula III) wherein n is a number from 3 to 3000; or a 4-oxy-2,2,6,6-tetramethylpiperidin-1-oxyl that is 4-oxy-bound to a Merrifield polymer. The invention relates also to the compounds of formulae (II) and (III) and to the use of the above-mentioned oxidation catalysts for the oxidation of alcohols.
Boulmaaz Souad
Grutzmacher Hansjorg
Sommerlade Reinhard
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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